Update workflows

Author: haydenbleasel

.github/workflows/build.yml

@@ -0,0 +1,36 @@
+name: Build
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x, 22.x]
+    
+    steps:
+      - uses: actions/checkout@v4
+      
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
+      
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'pnpm'
+      
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+      
+      - name: Build CLI
+        run: pnpm build
+      
+      - name: Run tests
+        run: pnpm test