perf: parallelize lint and test jobs in CI

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: sarahdayan

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ on:
       - '**'
 
 jobs:
-  test:
+  lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -25,11 +25,24 @@ jobs:
       - name: Lint
         run: yarn lint
 
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'yarn'
+
+      - name: Install dependencies
+        run: yarn install
+
       - name: Unit Tests
         run: yarn test:ci
 
   release:
-    needs: test
+    needs: [lint, test]
     if: github.ref == 'refs/heads/main' && github.event_name == 'push'
     runs-on: ubuntu-latest
     steps: