ci: fix npm caching path

Author: Automaticare

.github/workflows/ci.yml

@@ -27,12 +27,18 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: "20"
-          cache: "npm"
-          cache-dependency-path: frontend/package-lock.json
+
+      - name: Cache npm dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('frontend/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
 
       - name: Install frontend dependencies
         working-directory: frontend
-        run: npm install
+        run: npm ci
 
       - name: Lint (Python and frontend)
         run: make lint