chore: use pnpm instead of yarn

Author: benmccann

.github/workflows/release.yml

@@ -20,8 +20,7 @@ jobs:
         with:
           node-version: 20
 
-      - name: Install Dependencies
-        run: yarn
+      - uses: pnpm/action-setup@v4.0.0
 
       - name: Create Release Pull Request
         uses: changesets/action@v1