Fix deprecated output

Author: amenophis

.github/workflows/ci.yml

@@ -97,12 +97,11 @@ jobs:
 
       - name: Get Composer Cache Directory
         id: composer-cache
-        run: |
-          echo "::set-output name=dir::$(composer config cache-files-dir)"
+        run: echo "composer_cache_dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - uses: actions/cache@v2
         with:
-          path: ${{ steps.composer-cache.outputs.dir }}
+          path: $composer_cache_dir
           key: composer-${{ matrix.php }}-${{ matrix.symfony_version }}-${{ matrix.dependencies }}-${{ hashFiles('**/composer.json') }}
           restore-keys: |
             composer-${{ matrix.php }}-${{ matrix.symfony_version }}-${{ matrix.dependencies }}-
@@ -147,12 +146,11 @@ jobs:
 
       - name: Get Composer Cache Directory
         id: composer-cache
-        run: |
-          echo "::set-output name=dir::$(composer config cache-files-dir)"
+        run: echo "composer_cache_dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - uses: actions/cache@v2
         with:
-          path: ${{ steps.composer-cache.outputs.dir }}
+          path: $composer_cache_dir
           key: composer-${{ matrix.php }}-${{ matrix.symfony_version }}-${{ matrix.dependencies }}-${{ hashFiles('**/composer.json') }}
           restore-keys: |
             composer-${{ matrix.php }}-${{ matrix.symfony_version }}-${{ matrix.dependencies }}-