update GitHub actions

Author: josiasmontag

.github/workflows/run-tests.yml

@@ -15,13 +15,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3']
+        php: ['8.2', '8.3', '8.4', '8.5']
 
     steps:
       - uses: actions/checkout@v2
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.composer/cache/files
           key: dependencies-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}