chore: bump pnpm version v10.28.2 in CI workflow (#455)

* chore: bump pnpm version v10.28.2 in CI workflow

* chore: switch to pnpm for global dependency installation in CI workflow

Author: mittalyashu

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ on:
 env:
   DEFAULT_BRANCH: v0-2
   node_version: 24
-  pnpm_version: 10.17.1
+  pnpm_version: 10.28.2
   VERCEL_TELEMETRY_DISABLED: 1
 
 jobs:
@@ -29,8 +29,13 @@ jobs:
         with:
           node-version: ${{ env.node_version }}
 
+      - uses: pnpm/action-setup@v4
+        with:
+          version: ${{ env.pnpm_version }}
+          cache: true
+
       - name: Install extra dependencies
-        run: npm install --global bun@latest vercel@latest
+        run: pnpm install --global bun@latest vercel@latest
 
       - uses: amondnet/vercel-action@v41.1.4
         id: vercel