CI: Run Playwright tests against Svelte app

This should allow us to run the Percy visual regression checks against the Svelte app, as a final check whether we have missed anything significant in our porting process.

Author: Turbo87

.github/workflows/ci.yml

@@ -323,7 +323,7 @@ jobs:
       - run: pnpm playwright install chromium
 
       - if: github.repository == 'rust-lang/crates.io'
-        run: pnpm percy exec -- pnpm e2e
+        run: pnpm percy exec -- pnpm e2e:svelte
 
       - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         if: ${{ !cancelled() }}