Fix CI node cache path and npm install strategy

.github/workflows/ci.yml

@@ -36,13 +36,13 @@ jobs:
         with:
           node-version: "20"
           cache: npm
-          cache-dependency-path: app/package-lock.json
+          cache-dependency-path: app/package.json
 
       - name: Run Cypress tests
         uses: cypress-io/github-action@v6
         with:
           working-directory: app
-          install-command: npm ci
+          install-command: npm install
           start: python app.py
           wait-on: http://127.0.0.1:5000
           wait-on-timeout: 120