test: Add new OS to test matrix: Intel Mac

Author: CodeWithKyrian

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest]
+        os: [macos-latest, macos-13]
         php: [8.1, 8.2, 8.3, 8.4]
 
     name: Tests P${{ matrix.php }} - ${{ matrix.os }}
@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.composer/cache/files
           key: dependencies-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}