updated gh actions modules versions to stop warnings

Author: TonisOrmisson

.github/workflows/php.yml

@@ -52,7 +52,7 @@ jobs:
 
             - name: Cache Composer packages
               id: composer-cache
-              uses: actions/cache@v2
+              uses: actions/cache@v4
               with:
                   path: vendor
                   key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
@@ -76,7 +76,7 @@ jobs:
               run:  vendor/bin/phpstan analyse
 
             - name: Archive failed tests artifacts - test output & log
-              uses: actions/upload-artifact@v2
+              uses: actions/upload-artifact@v4
               if: failure()
               with:
                   name: test-outputs-php-${{ matrix.php-versions }}