fix: use npm instead of pnpm and fix check:all (#24101)

* fix: use npm instead of pnpm and fix `check:all`

* fix: remove `--` from pnpm commands

* Remove `check:all` from the documentation section

docs/docs/developer/pr-checklist.md

@@ -14,15 +14,15 @@ When contributing code through a pull request, please check the following:
 - [ ] `pnpm run check:typescript` (check typescript)
 - [ ] `pnpm test` (unit tests)
 
+:::tip AIO
+Run all web checks with `pnpm run check:all`
+:::
+
 ## Documentation
 
 - [ ] `pnpm run format` (formatting via Prettier)
 - [ ] Update the `_redirects` file if you have renamed a page or removed it from the documentation.
 
-:::tip AIO
-Run all web checks with `pnpm run check:all`
-:::
-
 ## Server Checks
 
 - [ ] `pnpm run lint` (linting via ESLint)