update cache action version

Author: transistive

.github/workflows/integration-test-cluster-neo4j-4.yml

@@ -23,7 +23,8 @@ jobs:
           echo "CONNECTION=neo4j://neo4j:testtest@server1" >> .env
 
       - name: Cache PHP deps
-        uses: actions/cache@v3
+        id: cache-php-deps
+        uses: actions/cache@v4
         with:
           path: vendor
           key: ${{ runner.os }}-php-${{ matrix.php }}-${{ hashFiles('**/composer.json') }}