sdk setup php-action test

Author: codemasher

.github/workflows/windows-php8.yml

@@ -30,7 +30,7 @@ jobs:
  uses: actions/checkout@v3
 
  - name: "Install PHP SDK ${{matrix.php}}"
- uses: codemasher/setup-php-sdk@split-file
+ uses: codemasher/setup-php-sdk@php-action
  id: sdk
  with:
  version: ${{matrix.php}}