Extending php8 support to windows-latest

Author: JustSteveKing

.github/workflows/tests.yml

@@ -37,7 +37,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [ 7.4 ]
+        php: [ 7.4, 8.0 ]
 
     name: PHP ${{ matrix.php }} on Windows