ci: publish with Node 24

The shared publish workflow upgrades npm to latest for OIDC support. npm 12
requires Node 24, so the publish step failed with EBADENGINE on Node 22.

Author: jleni

.github/workflows/publish.yml

@@ -22,5 +22,6 @@ jobs:
       timeout_minutes: 15
       dry_run: false
       github_app_auth: false
-      node_version: "22.22.1"
+      # The shared workflow installs npm@latest, which needs Node 24 (npm 12 fails on Node 22 with EBADENGINE)
+      node_version: "24"