chore: Revert non-working way to specify npm version in ci

This reverts commit 1232445e0a.

Co-authored-by: Gabriel <gaccettola@mirantis.com>
Signed-off-by: Iku-turso <mikko.aspiala@gmail.com>

.github/workflows/check-docs.yml

@@ -24,7 +24,7 @@ jobs:
 
       - name: Generate Extensions API Reference using typedocs
         run: |
-          npm run all:install
+          npm install
           npm run build:docs
 
       - name: Verify that the markdown is valid