Anchor Node version to 20.x on GitHub releases (#682)

Author: atilafassina

.github/workflows/orama_sync.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Setup Node.js
       uses: actions/setup-node@v4
       with:
-        node-version: lts
+        node-version: 20.x
         cache: pnpm
     - uses: pnpm/action-setup@v3
       with: