Update actions/cache action to v4 (#704)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/build-and-analyze-backend.yml

@@ -49,14 +49,14 @@ jobs:
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
       - name: Cache SonarCloud packages
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~\sonar\cache
           key: ${{ runner.os }}-sonar
           restore-keys: ${{ runner.os }}-sonar
       - name: Cache SonarCloud scanner
         id: cache-sonar-scanner
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: .\.sonar\scanner
           key: ${{ runner.os }}-sonar-scanner