Replace locale presubmit hook with Github action (#1802)

* Replace locale presubmit hook with Github action

* nit

* Make sure electronAPI is defined on window object

* Set correct env var

.github/workflows/i18n.yaml

@@ -0,0 +1,38 @@
+name: Update Locales
+on:
+  pull_request:
+    branches: [ main, master, dev* ]
+
+jobs:
+  update-locales:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: Comfy-Org/ComfyUI_frontend_setup_action@v2.1
+    - name: Install Playwright Browsers
+      run: npx playwright install chromium --with-deps
+      working-directory: ComfyUI_frontend
+    - name: Start dev server
+      # Run electron dev server as it is a superset of the web dev server
+      # We do want electron specific UIs to be translated.
+      run: npm run dev:electron &
+      working-directory: ComfyUI_frontend
+    - name: Update en.json
+      run: npm run collect-i18n
+      env:
+        PLAYWRIGHT_TEST_URL: http://localhost:5173
+      working-directory: ComfyUI_frontend
+    - name: Update translations
+      run: npm run locale
+      env:
+        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+      working-directory: ComfyUI_frontend
+    - name: Commit updated locales
+      run: |
+        git config --global user.name 'github-actions'
+        git config --global user.email 'github-actions@github.com'
+        git fetch origin ${{ github.head_ref }}
+        git checkout -B ${{ github.head_ref }} origin/${{ github.head_ref }}
+        git add src/locales/
+        git diff --staged --quiet || git commit -m "Update locales [skip ci]"
+        git push origin HEAD:${{ github.head_ref }}
+      working-directory: ComfyUI_frontend