chore(ci): Move logic in update-npm.sh into GA workflow

PR-URL: #3324
Credit: @gimli01
Close: #3324
Reviewed-by: @wraithgar

.github/workflows/create-cli-deps-pr.yml

@@ -14,6 +14,7 @@ jobs:
     env:
       GITHUB_TOKEN: ${{ secrets.NPM_ROBOT_USER_PAT }}
       NPM_VERSION: ${{ github.event.inputs.npmVersion }}
+      SUPPORT_BRANCH: "v14.x-staging"
     steps:
       - name: Checkout npm/node
         uses: actions/checkout@v2
@@ -25,18 +26,47 @@ jobs:
       - name: Run dependency updates and create PR
         run: |
           npm_tag=""
+          base_branch=""
           if [ "$NPM_VERSION" == "latest" ]
           then 
             npm_tag=`npm view npm@latest version`
+            base_branch="master"
           else
             npm_tag="$NPM_VERSION"
+            base_branch="v14.x-staging"
           fi 
 
           git config user.name "npm-robot"
           git config user.email "ops+robot@npmjs.com"
           git checkout -b "npm-$npm_tag"
-          ./tools/update-npm.sh "$npm_tag"
+
+          BASE_DIR="$( pwd )"/ 
+          DEPS_DIR="$BASE_DIR"deps/ 
+
+          echo "Cloning CLI repo"
+          gh repo clone npm/cli
+
+          echo "Prepping CLI repo for release"
+          cd cli
+          git checkout v"$npm_tag"
+          make
+          make release
+
+
+          echo "Removing old npm"
+          cd "$DEPS_DIR"
+          rm -rf npm/
+
+          echo "Copying new npm"
+          tar zxf "$BASE_DIR"cli/release/npm-"$npm_tag".tgz
+
+          echo "Removing CLI workspace"
+          cd "$BASE_DIR"
+          rm -rf cli
+
+          git add -A deps/npm
+          git commit -m "deps: upgrade npm to $npm_tag"
+          git rebase --whitespace=fix HEAD^
           git push origin "npm-$npm_tag"
           gh_release_body=`gh release view v"$npm_tag" -R npm/cli`
-          echo $gh_release_body
-          gh pr create -R "npm/node" -B "$base_branch" -H "npm:$release_branch_name" --title "deps(cli): upgrade npm to $npm_version" --body "$gh_release_body"
+          gh pr create -R "nodejs/node" -B "$base_branch" -H "npm:npm-$npm_tag" --title "deps(cli): upgrade npm to $npm_tag" --body "$gh_release_body"