chore(ci): update CI workflow to install and verify pnpm globally

Author: dean-journeyapps

.github/workflows/ci.yml

@@ -9,22 +9,30 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4      
+      - uses: actions/checkout@v4
+
       - uses: actions/setup-node@v4
         with:
           node-version: '18'
           cache: 'pnpm'
-          check-latest: true
-      - uses: pnpm/action-setup@v2
-        with:
-          version: 8
+
+      - name: Install pnpm globally
+        run: npm install -g pnpm@8
+
+      - name: Verify pnpm version
+        run: pnpm --version
+
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
+
       - name: Run linting
         run: pnpm run lint
+
       - name: Run type checking
         run: pnpm run type-check
+
       - name: Run tests
         run: pnpm test
+
       - name: Run build
         run: pnpm run build