chore: upgrade pnpm version in release workflow

- Updated pnpm installation from version 8 to version 9 in the GitHub Actions release workflow to leverage new features and improvements.

.github/workflows/release.yml

@@ -43,7 +43,7 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 8
+          version: 9
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -121,7 +121,7 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v4
         with:
-          version: 8
+          version: 9
 
       - name: Setup Node.js
         uses: actions/setup-node@v4