ops: nostr-publish defaults to the relays that accept our writes (damus, nos.lol, primal)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VVFi3wvLWKaEkpDw6eLnQC

.gitea/workflows/nostr-publish.yml

@@ -15,7 +15,7 @@ on:
       relays:
         description: comma-separated relay URLs
         required: true
-        default: wss://relay.damus.io,wss://nos.lol,wss://relay.primal.net,wss://relay.nostr.band,wss://nostr.wine,wss://relay.snort.social
+        default: wss://relay.damus.io,wss://nos.lol,wss://relay.primal.net
 jobs:
   publish:
     runs-on: ubuntu-latest