Bump actions/cache from 5 to 6 (#1489)

Bumps [actions/cache](https://github.com/actions/cache) from 5 to 6.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v5...v6)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -83,7 +83,7 @@ jobs:
       # Speeds up workflows by reading the node modules from cache. Obviously you need to run it at least once, and the
       # cache will be updated should the package-lock.json file change
       - name: Cache Node modules
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           # npm cache files are stored in `~/.npm` on Linux/macOS
           path: ~/.npm