ci: bump actions/checkout + setup-node to v5 (Node 20 deprecation)#47
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GitHub forces Node 20 actions onto Node 24 from 2026-06-16 and removes the Node 20 runtime on 2026-09-16. checkout@v5 and setup-node@v5 run on Node 24 natively, clearing the deprecation warning on every run. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Why
GitHub Actions runs
actions/checkout@v4andactions/setup-node@v4on Node.js 20, which is deprecated:Every workflow run currently prints the deprecation annotation.
Change
Bump to
@v5for both actions acrossci.ymlandpublish-mcp.yml(5 refs). v5 runs on Node 24 natively — no behavior change, just clears the warning and future-proofs before the cutoff.Cosmetic only; no logic touched.
🤖 Generated with Claude Code