CI: use pnpm

Author: Fridus

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node: ['18.x', '20.x']
+        node: ['22.x', '24.x']
         os: [ubuntu-latest, macOS-latest]
 
     steps:
@@ -18,15 +18,19 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
-
-      - name: Install deps and build (with cache)
-        uses: bahmutov/npm-install@v1
+      
+      - uses: pnpm/action-setup@v4
+        name: Install pnpm
+        with:
+          version: 10
+      - name: Install dependencies
+        run: pnpm install
 
       - name: Lint
-        run: yarn lint
+        run: pnpm lint
 
       - name: Test
-        run: yarn test
+        run: pnpm test
 
       - name: Build
-        run: yarn build
+        run: pnpm build