Quote floats so they appear as strings in GitHub Actions

Author: spaze

.github/workflows/php.yml

@@ -10,8 +10,8 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - 8.0
-          - 8.1
+          - "8.0"
+          - "8.1"
 
     steps:
     - uses: actions/checkout@v2