chore: use built-in npm in the lint job

Author: aminya

.github/workflows/CI.yml

@@ -41,20 +41,14 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: UziTech/action-setup-atom@v1
-      - name: Setup PNPM
-        uses: pnpm/[email protected]
-        with:
-          version: latest
-
       - name: Install dependencies
-        run: pnpm install
+        run: npm install
 
       # - name: Format ✨
-      #   run: pnpm test.format
+      #   run: npm run test.format
 
       - name: Lint ✨
-        run: pnpm test.lint
+        run: npm run test.lint
 
   CommitLint:
     if: "!contains(github.event.head_commit.message, '[skip ci]')"