Fix ci.yml

Author: Aleksandr Denisyuk

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.1
+          php-version: '8.1'
           coverage: none
 
       - name: Install dependencies
@@ -48,7 +48,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.1
+          php-version: '8.1'
           coverage: none
 
       - name: Install dependencies
@@ -68,7 +68,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.1
+          php-version: '8.1'
           coverage: none
 
       - name: Install dependencies