chore: set Renovate rangeStrategy to bump

[MikeMcC399]

Situation

Renovate is currently using the default rangeStrategy of auto which in some cases updates only the corresponding package manager lockfile.

Change

Set the rangeStrategy to bump. For example "eslint": "^10.0.2" would be bumped to "eslint": "^10.0.3". This is consistent with the usage in other Cypress repos.

Verification

npx --yes --package renovate -- renovate-config-validator

---

Note

Low Risk
Low risk config-only change affecting how Renovate updates version ranges in manifests. Main impact is increased churn in dependency PRs due to bumping ranges rather than leaving them unchanged.

Overview
Updates renovate.json to set Renovate rangeStrategy to bump, so dependency PRs will bump version ranges in manifest files (e.g., ^x.y.z) instead of potentially updating only lockfiles.

^{Written by Cursor Bugbot for commit df3beff. This will update automatically on new commits. Configure here.}

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[github-actions]

🎉 This PR is included in version 7.1.8 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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