fix: back to node v20.x on beta-release workflow

Author: danielbarion

.github/workflows/beta-release.yaml

@@ -16,7 +16,7 @@ jobs:
           ref: ${{ github.head_ref }}
       - uses: actions/setup-node@v4
         with:
-          node-version: '24.x'
+          node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
           cache: 'yarn'