[feat] Add comprehensive caching to CICD workflows

- Add npm cache to vitest, release, and dev-release workflows
- Add pip cache for Python dependencies in test-ui workflow
- Add Playwright browser caching to reduce installation time
- Optimize browser installation with conditional steps based on cache hits

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/test-browser-exp.yaml

@@ -19,11 +19,12 @@ jobs:
         restore-keys: |
           playwright-browsers-${{ runner.os }}-
     - name: Install Playwright Browsers
-      run: npx playwright install chromium --with-deps
+      if: steps.playwright-cache.outputs.cache-hit != 'true'
+      run: pnpx playwright install chromium --with-deps
       working-directory: ComfyUI_frontend
     - name: Run Playwright tests and update snapshots
       id: playwright-tests
-      run: npx playwright test --update-snapshots
+      run: pnpx playwright test --update-snapshots
       continue-on-error: true
       working-directory: ComfyUI_frontend
     - uses: actions/upload-artifact@v4