Bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/atlas.yml

@@ -61,7 +61,7 @@ jobs:
         run: echo "yearmonth=$(/bin/date -u "+%Y-%m")" >> $GITHUB_OUTPUT
         shell: bash
       - name: Cache Maven local repository
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache-maven
         with:
           path: |

.github/workflows/contributor-build.yml

@@ -70,7 +70,7 @@ jobs:
         run: echo "yearmonth=$(/bin/date -u "+%Y-%m")" >> $GITHUB_OUTPUT
         shell: bash
       - name: Cache Maven local repository
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache-maven
         with:
           path: |