chore: fix ci (#89)

.github/workflows/pint.yml

@@ -9,7 +9,11 @@ jobs:
             - name: Checkout code
               uses: actions/checkout@v2
               with:
-                  ref: ${{ github.head_ref }}
+                ref: ${{ github.head_ref }}
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                php-version: '8.2'
             - name: Install dependencies
               run: composer install --no-interaction
             - name: Run Pint