CI: Enable parallel test suites for percy

Author: eth3lbert

.github/workflows/ci.yml

@@ -202,7 +202,7 @@ jobs:
       - run: pnpm install
 
       - if: github.repository == 'rust-lang/crates.io'
-        run: pnpm percy exec -- pnpm test-coverage
+        run: pnpm percy exec --parallel -- pnpm test-coverage
 
       - if: github.repository != 'rust-lang/crates.io'
         run: pnpm test-coverage
@@ -238,11 +238,36 @@ jobs:
       - run: pnpm playwright install chromium
 
       - if: github.repository == 'rust-lang/crates.io'
-        run: pnpm percy exec -- pnpm e2e
+        run: pnpm percy exec --parallel -- pnpm e2e
 
       - uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4
         if: ${{ !cancelled() }}
         with:
           name: playwright-report
           path: playwright-report/
           retention-days: 14
+
+  finalize-percy:
+    needs: [frontend-test, e2e-test]
+    runs-on: ubuntu-22.04
+
+    env:
+      JOBS: 1 # See https://git.io/vdao3 for details.
+
+      # Percy secrets are included here to enable Percy's GitHub integration
+      # on community-submitted PRs
+      PERCY_TOKEN: web_0a783d8086b6f996809f3e751d032dd6d156782082bcd1423b9b860113c75054
+
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      - uses: pnpm/action-setup@fe02b34f77f8bc703788d5817da081398fad5dd2 # v4.0.0
+        with:
+          version: ${{ env.PNPM_VERSION }}
+
+      - uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
+        with:
+          cache: pnpm
+          node-version-file: package.json
+      - run: pnpm install
+      - run: pnpm percy build:finalize