[CI] Manually cache composer dependencies when using $COMPOSER_UP

Author: Kocal

.github/workflows/code-quality.yaml

@@ -89,6 +89,19 @@ jobs:
                     php-version: 8.1
                     tools: flex
 
+            -   name: Get composer cache directory
+                id: composer-cache
+                run: |
+                    echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+            - name: Cache packages dependencies
+              uses: actions/cache@v4
+              with:
+                  path: ${{ steps.composer-cache.outputs.dir }}
+                  key: ${{ runner.os }}-composer-packages-${{ matrix.php-version }}-${{ matrix.dependency-version }}-${{ matrix.symfony-version }}-${{ matrix.minimum-stability }}-${{ hashFiles('src/**/composer.json') }}
+                  restore-keys: |
+                      ${{ runner.os }}-composer-packages-${{ matrix.php-version }}-${{ matrix.dependency-version }}-${{ matrix.symfony-version }}-${{ matrix.minimum-stability }}
+
             - name: Install root dependencies
               uses: ramsey/composer-install@v3
               with:

.github/workflows/unit-tests.yaml

@@ -68,6 +68,19 @@ jobs:
                 php-version: ${{ matrix.php-version }}
                 tools: flex
 
+            -   name: Get composer cache directory
+                id: composer-cache
+                run: |
+                    echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+            - name: Cache packages dependencies
+              uses: actions/cache@v4
+              with:
+                  path: ${{ steps.composer-cache.outputs.dir }}
+                  key: ${{ runner.os }}-composer-packages-${{ matrix.php-version }}-${{ matrix.dependency-version }}-${{ matrix.symfony-version }}-${{ matrix.minimum-stability }}-${{ hashFiles('src/**/composer.json') }}
+                  restore-keys: |
+                      ${{ runner.os }}-composer-packages-${{ matrix.php-version }}-${{ matrix.dependency-version }}-${{ matrix.symfony-version }}-${{ matrix.minimum-stability }}
+
             - name: Install root dependencies
               uses: ramsey/composer-install@v3
               with: