ci: fix gh workflow and use cache

Author: p-kuen

.github/workflows/test.yml

@@ -13,23 +13,30 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
-
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 20
-          cache: 'pnpm'
-
-      - name: Install pnpm
-        run: npm install -g pnpm
-
+          node-version: 22
+      - uses: pnpm/action-setup@v4
+        name: Install pnpm
+        with:
+          run_install: false
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+      - uses: actions/cache@v4
+        name: Setup pnpm cache
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
       - name: Install root dependencies (optional if needed)
         run: pnpm install
-
       - name: Install example dependencies
         working-directory: ./example
         run: pnpm install
-
       - name: Run example tests
         working-directory: ./example
         run: pnpm test