ci: Using npm ci instead of npm install to reuse package-lock.json (#3648)

.github/workflows/test-workflows.yml

@@ -45,7 +45,7 @@ jobs:
         name: npm install and build
         run: |
           cd n8n
-          npm install
+          npm ci
           npm run bootstrap
           npm run build --if-present
         env:

.github/workflows/tests.yml

@@ -21,7 +21,7 @@ jobs:
         node-version: ${{ matrix.node-version }}
     - name: npm install, build, and test
       run: |
-        npm install
+        npm ci
         npm run bootstrap
         npm run build --if-present
         npm test