Remove phpcs Github action in favor of running phpcs directly (#35237)

.github/actions/setup-woocommerce-monorepo/action.yml

@@ -42,6 +42,7 @@ runs:
       with:
         php-version: ${{ inputs.php-version }}
         coverage: none
+        tools: cs2pr, phpcs
 
     - name: Cache Composer Dependencies
       uses: actions/cache@fd5de65bc895cf536527842281bea11763fefd77

.github/workflows/pr-code-sniff.yml

@@ -16,20 +16,26 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+      
+      - name: Get Changed Files
+        id: changed-files
+        uses: tj-actions/changed-files@v32  
+        with:
+          files: |
+            **/*.php
 
       - name: Setup WooCommerce Monorepo
+        if: steps.changed-files.outputs.any_changed == 'true'
         uses: ./.github/actions/setup-woocommerce-monorepo
         with:
           build: false
 
       - name: Tool versions
+        if: steps.changed-files.outputs.any_changed == 'true'
         run: |
           php --version
           composer --version
 
-      - name: Run code sniffer
-        uses: thenabeel/action-phpcs@v8
-        with:
-          files: "**.php"
-          phpcs_path: plugins/woocommerce/vendor/bin/phpcs
-          standard: phpcs.xml
+      - name: Run PHPCS
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: ./plugins/woocommerce/vendor/bin/phpcs -n -q --report=checkstyle ${{ steps.changed-files.outputs.all_changed_files }} | cs2pr