chore: improve CI to run playwright tests in parallel

.github/workflows/ci.yml

@@ -51,50 +51,82 @@ jobs:
     - name: Build build
       run: pnpm run build
 
-    - name: Archive artifacts
+    - name: Archive build artifacts
       uses: actions/upload-artifact@v4
-      # Ideally this would upload the zip file from below - but this action currently does not support this.
       with:
+        name: build-artifacts-${{ matrix.node }}
+        path: dist
+        retention-days: 1
+
+  playwright:
+    needs: build
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        node: [ "18", "20", "22", "23"]
+        shardIndex: [1, 2, 3]
+      fail-fast: false
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install pnpm
+      uses: pnpm/action-setup@v4
+
+    - uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node }}
+        cache: 'pnpm'
+
+    - run: pnpm install
+
+    - name: Download build artifacts
+      uses: actions/download-artifact@v4
+      with:
+        path: ./dist/
         name: freqUI-${{ matrix.node }}
-        path: |
-          dist
-          !dist/**/*.map
-        retention-days: 10
 
-    # Playwright section
     - name: Install Playwright Browsers
       run: pnpm exec playwright install --with-deps
 
     - name: Run Playwright tests
-      run: pnpm exec playwright test
+      run: pnpm exec playwright test --shard ${{ matrix.shardIndex }}/3
 
     - uses: actions/upload-artifact@v4
       if: ${{ !cancelled() }}
       with:
-        name: playwright-report-${{ matrix.node }}
+        name: playwright-report-shard${{ matrix.shardIndex }}
         path: playwright-report/
         retention-days: 30
 
-    # End Playwright section
+  release-artifacts:
+    if: github.event_name == 'release'
+    needs: [build, playwright]
+    runs-on: ubuntu-22.04
+    steps:
+
+    - name: Download build artifacts
+      uses: actions/download-artifact@v4
+      with:
+        path: ./dist/
+        # Use node-22 build.
+        name: freqUI-22
 
     - name: Zip files for release
-      if: github.event_name == 'release' && matrix.node == '22'
       run: |
         cd dist/
         zip -r ../freqUI.zip .
         cd ../
 
-
     - name: Upload release binaries
       uses: alexellis/[email protected]
-      if: github.event_name == 'release' && matrix.node == '22'
       env:
         GITHUB_TOKEN: ${{ github.token }}
       with:
         asset_paths: '["./freqUI.zip"]'
 
   call-docker-workflow:
-    needs: build
+    needs: [build, playwright]
     if: (github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'release') && github.repository == 'freqtrade/frequi'
     uses: ./.github/workflows/docker.yml
     secrets: