Add php84 to build matrix

Author: usox

.github/workflows/php.yml

@@ -12,8 +12,8 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest']
-        php: ['8.0', '8.1', '8.2', '8.3']
-    continue-on-error: ${{ matrix.php == '8.3' }}
+        php: ['8.0', '8.1', '8.2', '8.3', '8.4']
+    continue-on-error: ${{ matrix.php == '8.4' }}
     steps:
       - uses: actions/checkout@v2
 
@@ -26,15 +26,15 @@ jobs:
         run: composer validate
 
       - name: Install dependencies
-        if: ${{ matrix.php != '8.3' }}
+        if: ${{ matrix.php != '8.4' }}
         uses: nick-invision/retry@v2
         with:
           timeout_minutes: 5
           max_attempts: 3
           command: composer update --no-interaction --no-progress
 
       - name: Install Dependencies (ignore platform)
-        if: ${{ matrix.php == '8.3' }}
+        if: ${{ matrix.php == '8.4' }}
         uses: nick-invision/retry@v2
         with:
           timeout_minutes: 5