Update build.yml

Author: kunal-511

.github/workflows/build.yml

@@ -22,13 +22,24 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 18
-          cache: 'npm'
+          cache: 'pnpm'
+
+      - name: Enable corepack and install pnpm
+        run: |
+          corepack enable
+          corepack prepare pnpm@latest --activate
+
+      - name: Verify pnpm installation
+        run: pnpm --version
 
       - name: Install Dependencies
-        run: npm install --legacy-peer-deps
+        run: pnpm install --frozen-lockfile
 
       - name: Run Linting
-        run: npm run lint
+        run: pnpm run lint
+
+      - name: Type Check
+        run: pnpm exec tsc --noEmit
 
       - name: Build Next.js App
-        run: npm run build
+        run: pnpm run build