Merge changes I10b5cc17,I382d599f into integration

* changes:
  docs(prerequisites): add `--no-save` to `npm install`
  fix(hooks): downgrade `package-lock.json` version

docs/getting_started/prerequisites.rst

@@ -144,7 +144,7 @@ running from within your newly-cloned repository:
 
 .. code:: shell
 
-    npm install
+    npm install --no-save
 
 If you have opted **not** to install Node.js, you can install the Gerrit hook
 manually by running: