Merge pull request #47 from benjaminmal/renovate/actions-cache-4.x

Author: benjaminmal

.github/workflows/ci.yaml

@@ -39,7 +39,7 @@ jobs:
                 run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
             -   name: Cache Composer
-                uses: actions/cache@v3
+                uses: actions/cache@v4
                 with:
                     path: ${{ steps.composer-cache.outputs.dir }}
                     key: ${{ runner.os }}-php-${{ matrix.php }}-composer-${{ hashFiles('**/composer.json') }}