build(deps): bump actions/download-artifact from 4 to 8

[dependabot]

Bumps actions/download-artifact from 4 to 8.

Release notes

Sourced from actions/download-artifact's releases.

v8.0.0

v8 - What's new

[!IMPORTANT] actions/download-artifact@v8 has been migrated to an ESM module. This should be transparent to the caller but forks might need to make significant changes.

[!IMPORTANT] Hash mismatches will now error by default. Users can override this behavior with a setting change (see below).

Direct downloads

To support direct uploads in actions/upload-artifact, the action will no longer attempt to unzip all downloaded files. Instead, the action checks the Content-Type header ahead of unzipping and skips non-zipped files. Callers wishing to download a zipped file as-is can also set the new skip-decompress parameter to true.

Enforced checks (breaking)

A previous release introduced digest checks on the download. If a download hash didn't match the expected hash from the server, the action would log a warning. Callers can now configure the behavior on mismatch with the digest-mismatch parameter. To be secure by default, we are now defaulting the behavior to error which will fail the workflow run.

ESM

To support new versions of the @actions/* packages, we've upgraded the package to ESM.

What's Changed

• Don't attempt to un-zip non-zipped downloads by @​danwkennedy in actions/download-artifact#460
• Add a setting to specify what to do on hash mismatch and default it to error by @​danwkennedy in actions/download-artifact#461

Full Changelog: actions/download-artifact@v7...v8.0.0

v7.0.0

v7 - What's new

[!IMPORTANT] actions/download-artifact@v7 now runs on Node.js 24 (runs.using: node24) and requires a minimum Actions Runner version of 2.327.1. If you are using self-hosted runners, ensure they are updated before upgrading.

Node.js 24

This release updates the runtime to Node.js 24. v6 had preliminary support for Node 24, however this action was by default still running on Node.js 20. Now this action by default will run on Node.js 24.

What's Changed

• Update GHES guidance to include reference to Node 20 version by @​patrikpolyak in actions/download-artifact#440
• Download Artifact Node24 support by @​salmanmkc in actions/download-artifact#415
• fix: update @​actions/artifact to fix Node.js 24 punycode deprecation by @​salmanmkc in actions/download-artifact#451
• prepare release v7.0.0 for Node.js 24 support by @​salmanmkc in actions/download-artifact#452

New Contributors

• @​patrikpolyak made their first contribution in actions/download-artifact#440
• @​salmanmkc made their first contribution in actions/download-artifact#415

Full Changelog: actions/download-artifact@v6.0.0...v7.0.0

v6.0.0

... (truncated)

Commits

• 3e5f45b Add regression tests for CJK characters (#471)
• e6d03f6 Add a regression test for artifact name + content-type mismatches (#472)
• 70fc10c Merge pull request #461 from actions/danwkennedy/digest-mismatch-behavior
• f258da9 Add change docs
• ccc058e Fix linting issues
• bd7976b Add a setting to specify what to do on hash mismatch and default it to error
• ac21fcf Merge pull request #460 from actions/danwkennedy/download-no-unzip
• 15999bf Add note about package bumps
• 974686e Bump the version to v8 and add release notes
• fbe48b1 Update test names to make it clearer what they do
• Additional commits viewable in compare view

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[ambient-code]

Dependabot PR Review Summary

Changes reviewed: Bumps actions/download-artifact from v4 to v8 in .github/workflows/e2e.yaml.

Checks performed:

• ✅ CI Status: All checks passing (e2e tests, builds all green)
• ✅ go.mod impact: Not applicable (GitHub Actions change)
• ✅ K8s version impact: Not applicable
• ✅ Cross-project impact: None — only affects the e2e CI workflow

Note: This is a major version bump (v4 → v8). CI is fully green, indicating the action's interface is backward-compatible for our usage.

Conclusion: Safe to merge. CI confirms no regressions.

[raballew]

This PR jumps across 4 major versions (v4 -> v5 -> v6 -> v7 -> v8) and has compatibility concerns.

Breaking changes across versions:

1. v8: Hash digest-mismatch now defaults to error instead of warn -- artifacts with digest mismatches will fail the workflow
2. v8: No longer attempts to unzip all downloaded files (checks Content-Type first)
3. v7: Requires Node.js 24 and Actions Runner >= v2.327.1

Critical issue -- upload/download version skew:
The e2e.yaml workflow still uses actions/upload-artifact@v4 (lines 80, 126, 161) for uploading artifacts in the build jobs, while this PR bumps only download-artifact to v8. The new digest enforcement (digest-mismatch: error default) could cause failures if the v4 uploader does not provide compatible digest metadata. build-oci-bundle.yaml uses upload-artifact@v7 which is better aligned but also inconsistent.

Suggested fix options:

1. Bump actions/upload-artifact in e2e.yaml from v4 to v8 (or at least v7) in the same PR
2. Or explicitly set digest-mismatch: warn on the download steps to preserve v4 behavior

The inputs used (name, path) are still supported, so the action interface itself is compatible.

🤖 Generated with Claude Code

[raballew]

@ambient-code fix

[ambient-code]

@raballew Good catch on the version skew. I attempted to push the fix (bumping actions/upload-artifact from v4 to v8 in e2e.yaml and from v7 to v8 in build-oci-bundle.yaml), but GitHub blocks GitHub App integrations from creating or updating workflow files without the workflows permission — this applies across all API methods (git push, Contents API, Git Data API, and Merges API).

Here are the exact changes needed:

.github/workflows/e2e.yaml — 3 occurrences on lines 80, 126, 161:

-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v8

.github/workflows/build-oci-bundle.yaml — 1 occurrence on line 22:

-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v8

This will align all upload-artifact and download-artifact versions at v8, avoiding the digest-mismatch behavior change (v8 defaults digest-mismatch to error instead of warn).

A maintainer with repo write access will need to push these changes to the dependabot branch, or these changes can be made in a separate follow-up PR.

[raballew]

Dependabot Review

Recommendation: NEEDS COORDINATION with #592

This bumps actions/download-artifact from v4 to v8 in e2e.yaml. However, PR #592 bumps actions/upload-artifact from v4 to v7.

Issue: upload-artifact and download-artifact must use compatible major versions. These PRs need to be aligned -- either both use v7 or both use a compatible version pair. They should be merged together to avoid breaking the e2e artifact pipeline.

Fix: Align download-artifact to v7 to match the upload-artifact v7 in PR #592, or verify v8 download is backward-compatible with v7 uploads.

[raballew]

Action needed: Coordinate with #592 (upload-artifact v7). Either downgrade this to download-artifact v7 to match, or verify cross-version compatibility. Merge both PRs together.

[dependabot]

Superseded by #611.