move to pnpm

Author: muniter

.github/workflows/test.yml

@@ -17,16 +17,20 @@ jobs:
       uses: actions/setup-node@v4
       with:
         node-version: '22'
-        cache: 'npm'
+    
+    - name: Setup pnpm
+      uses: pnpm/action-setup@v2
+      with:
+        version: latest
 
     - name: Install dependencies
-      run: npm ci
+      run: pnpm install --frozen-lockfile
 
     - name: Run type checking
-      run: npm run lint
+      run: pnpm run lint
 
     - name: Run tests
-      run: npm test
+      run: pnpm test
 
     - name: Build project
-      run: npm run build
+      run: pnpm run build