Fix front CI

Author: pomo-mondreganto

.github/workflows/tests.yml

@@ -43,13 +43,21 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Install pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 'latest'
+
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
           node-version: '20'
           cache: 'pnpm'
           cache-dependency-path: 'front/pnpm-lock.yaml'
 
+      - name: Install deps
+        run: cd front && pnpm install
+
       - name: run linter
         run: make lint-front