chore(deps): 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/ci.yml

@@ -172,7 +172,7 @@ jobs:
         run: |
           echo "release_version=$(gradle properties -q | grep "version:" | awk '{print $2}')" >> $GITHUB_OUTPUT
       - name: Cache libs
-        uses: actions/cache/save@v3
+        uses: actions/cache/save@v4
         with:
           path: |
             build/libs
@@ -228,7 +228,7 @@ jobs:
           cache: gradle
 
       - name: Restore Libs cache
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@v4
         with:
           path: |
             build/libs

.github/workflows/native-image.yml

@@ -32,7 +32,7 @@ jobs:
           components: 'native-image'
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/cache/restore@v3
+      - uses: actions/cache/restore@v4
         with:
           path: |
             build/libs
@@ -57,7 +57,7 @@ jobs:
           native-image -H:ConfigurationFileDirectories=native-image-config-dir --no-fallback --report-unsupported-elements-at-runtime -jar "build/libs/plantuml-${{ inputs.release-version }}.jar" -H:Path="build/libs" -H:Name="plantuml-${{ matrix.platform }}-${{ inputs.release-version }}"
 
       - name: Cache native image
-        uses: actions/cache/save@v3
+        uses: actions/cache/save@v4
         with:
           path: "build/libs/plantuml-${{ matrix.platform }}-*"
           key: "native-image-${{ matrix.platform }}-${{ github.run_id }}"