windows: bake SDK version into cache key

Author: dktapps

.github/workflows/main-php-matrix-windows.yml

@@ -39,7 +39,7 @@ jobs:
       - name: Set PHP build cache key
         id: cache-key
         run: |
-          echo "key=php-debug-${{ inputs.php }}-${{ inputs.vs-arch }}-${{ inputs.vs-crt }}-${{ inputs.runs-on }}" >> $env:GITHUB_OUTPUT
+          echo "key=php-debug-${{ inputs.php }}-${{ inputs.vs-arch }}-${{ inputs.vs-crt }}-${{ inputs.runs-on }}-php-sdk-${{ env.PHP_SDK_BINARY_TOOLS_VER }}" >> $env:GITHUB_OUTPUT
 
       - name: Set php-sdk task command
         id: php-sdk-command
@@ -173,7 +173,7 @@ jobs:
             bin
             php-sdk
             deps
-          key: php-debug-${{ inputs.php }}-${{ inputs.vs-arch }}-${{ inputs.vs-crt }}-${{ inputs.runs-on }}
+          key: php-debug-${{ inputs.php }}-${{ inputs.vs-arch }}-${{ inputs.vs-crt }}-${{ inputs.runs-on }}-php-sdk-${{ env.PHP_SDK_BINARY_TOOLS_VER }}
 
       - name: Set php-sdk task command
         id: php-sdk-command