Update actions/cache@v4

Author: danon

.github/workflows/build.yaml

@@ -55,7 +55,7 @@ jobs:
           coverage: "${{ matrix.coverage }}"
 
       - name: Cache dependencies installed with Composer
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.cache/composer
           key: php${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}