Run format lint in CI (#630)

.github/workflows/ci.yml

@@ -67,11 +67,27 @@ jobs:
       - name: Typecheck
         run: pnpm typecheck
 
+  lint:
+    name: Lint
+    timeout-minutes: 20
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - uses: ./.github/actions/ci-setup
+
+      - name: Format
+        run: pnpm format
+
   ci-ok:
     name: CI OK
     runs-on: ubuntu-latest
     if: always()
-    needs: [lint-workflows, test, typecheck]
+    needs: [lint-workflows, test, typecheck, lint]
     steps:
       - name: Exit with error if some jobs are not successful
         run: exit 1