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](actions/cache@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/antora.yml

@@ -48,7 +48,7 @@ jobs:
         id: npm-cache-dir
         run: |
           echo "dir=$(npm config get cache)" >> $GITHUB_OUTPUT
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: npm-cache # use this to check for `cache-hit` ==> if: steps.npm-cache.outputs.cache-hit != 'true'
         with:
           path: ${{ steps.npm-cache-dir.outputs.dir }}

.github/workflows/cmd.yml

@@ -137,7 +137,7 @@ jobs:
           save-maven-dependencies-cache: false
 
       - name: Custom Cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         if: ${{ inputs.cache-key != '' && inputs.cache-path != '' }}
         with:
           key: ${{ format(inputs.cache-key, matrix.java) }}