Workflow: Separate marking repo safe into a step

Author: lamATnginx

.github/workflows/playwright.yml

@@ -48,13 +48,14 @@ jobs:
               go-version: '1.24.6'
           - name: Install dependencies
             run: cd tests && npm ci
+          - name: Mark repository as safe
+            run: git config --global --add safe.directory /__w/nginx-hugo-theme/nginx-hugo-theme
           - name: Run Playwright tests
             id: test-ui
             if:  ${{ runner.os == 'Linux' }}
             env:
               HOME: /root
             run: |
-              git config --global --add safe.directory /__w/nginx-hugo-theme/nginx-hugo-theme
               cd tests && npx playwright test | tee output.log
               if grep -q "failed" output.log; then
                 echo "Playwright tests failed. Please view the Playwright report to see full error."