ci: point publish workflow at the novoyuuparosk-wiki org

This repo and novoyuuparosk-auto-wiki both moved out of the `mikkeli`
account, so the reusable-workflow reference follows. Same owner on both
sides means no cross-owner read gate on the private callee.

.gitea/workflows/publish.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   publish:
-    uses: mikkeli/novoyuuparosk-auto-wiki/.gitea/workflows/publish-songs.yml@master
+    uses: novoyuuparosk-wiki/novoyuuparosk-auto-wiki/.gitea/workflows/publish-songs.yml@master
     with:
       SOURCE_REF: ${{ github.sha }}
       # Empty on workflow_dispatch — the reusable workflow treats that as