Use Node 20 in release-job only.

- ovsx 0.10.0 requires Node >= 20

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Author: rgrunber

.github/workflows/release.yml

@@ -168,7 +168,7 @@ jobs:
       - name: Set Up NodeJS
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
       - name: Install dependencies
         run: |
           npm install -g typescript "@vscode/vsce" "ovsx"