Upgraded GitHub actions

Author: JoshyPHP

.github/workflows/tests.yml

@@ -18,14 +18,14 @@ jobs:
           - "8.1"
 
     steps:
-    - uses: "actions/checkout@v3"
+    - uses: "actions/checkout@v4"
     - uses: "shivammathur/setup-php@v2"
       with:
         php-version: ${{ matrix.php-version }}
 
     - name: Cache Composer packages
       id: composer-cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: vendor
         key: php-outdated
@@ -47,7 +47,7 @@ jobs:
           - "8.4"
 
     steps:
-    - uses: "actions/checkout@v3"
+    - uses: "actions/checkout@v4"
     - uses: "shivammathur/setup-php@v2"
       with:
         php-version: ${{ matrix.php-version }}
@@ -57,7 +57,7 @@ jobs:
 
     - name: Cache Composer packages
       id: composer-cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: vendor
         key: php-${{ matrix.php-version }}