build: install pnpm using pnpm github action (#927)

.github/workflows/changeset.yaml

@@ -21,25 +21,29 @@ jobs:
       - name: checkout code repository
         uses: actions/checkout@v4
         with:
-          fetch-depth: 0
+          fetch-depth: 1
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
 
       - name: setup node.js
         uses: actions/setup-node@v4
         with:
           node-version: 20
-          cache: 'pnpm'
-      
+          cache: "pnpm"
+
       - name: Cache turbo build setup
         uses: actions/cache@v4
-        with: 
+        with:
           path: .turbo
           key: ${{ runner.os }}-turbo-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-turbo-
 
-      - run: corepack enable
       - name: install dependencies
-        run: pnpm install
+        run: pnpm install --frozen-lockfile
 
       - name: create and publish versions
         uses: changesets/action@v1