chore: use pnpm in CI

Author: aminya

.github/workflows/CI.yml

@@ -25,7 +25,7 @@ jobs:
         run: apm -v
       - name: Install APM dependencies
         run: |
-          apm ci  # uses locked module. use `apm install` for non-locked
+          apm install
       - name: Atom Package dependencies
         run: node ./script/install-package-deps.js
       - name: Run tests 👩🏾‍💻
@@ -42,10 +42,12 @@ jobs:
           fetch-depth: 0
       - name: Commit lint ✨
         uses: wagoid/commitlint-github-action@v1
-      - uses: UziTech/action-setup-atom@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: "12.x"
       - name: Install NPM dependencies
         run: |
-          npm ci  # uses locked module. use `npm install` for non-locked
+          npm install
       - name: Lint ✨
         run: npm run lint
 

.github/workflows/bump_deps.yml

@@ -12,10 +12,14 @@ jobs:
       - uses: actions/setup-node@v2-beta
         with:
           node-version: "14"
+      - name: Setup PNPM
+        uses: pnpm/[email protected]
+        with:
+          version: 4.11.1
       - run: |
-          npm ci
-          npm run bump
-          npm install
+          pnpm install
+          pnpm run bump
+          pnpm install
       - uses: peter-evans/create-pull-request@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}