Updated github actions build workflow.

Author: hexydec

.github/workflows/tests.yml

@@ -7,17 +7,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
 
       - name: Cache Composer dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
             path: /tmp/composer-cache
             key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
 
-      - uses: php-actions/composer@v5
+      - uses: php-actions/composer@v6
         with:
-            php_version: 7.4
+            php_version: 8.1
             php_extensions: mbstring xdebug
 
       - name: PHPUnit Tests
@@ -26,6 +26,6 @@ jobs:
           XDEBUG_MODE: coverage
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
         with:
             files: ./coverage/result.xml