ci: Setup biome and pre-commit hooks for formatting (no-changelog) (#10795)

Co-authored-by: Tomi Turtiainen <10324676+tomi@users.noreply.github.com>

.github/workflows/ci-pull-requests.yml

@@ -30,6 +30,9 @@ jobs:
       - name: Build
         run: pnpm build
 
+      - name: Run formatcheck
+        run: pnpm format:check
+
       - name: Run typecheck
         run: pnpm typecheck