Merge pull request #11 from lets-mica/renovate/actions-cache-4.x

Update actions/cache action to v4

.github/workflows/test-and-build.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: ${{ matrix.java }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: ~/.gradle/caches
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}