publish: clone auto-wiki from automation/songs branch

main branch only has READMEs; renderer code lives on automation/songs.
Also adds --depth 1 since history isn't needed for a code dependency.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/publish.yml

@@ -29,7 +29,7 @@ jobs:
         env:
           FAPAT: ${{ secrets.FAPAT }}
           URL_TO_GITEA: ${{ vars.URL_TO_GITEA }}
-        run: git clone "http://mikkeli:${FAPAT}@${URL_TO_GITEA#http://}/mikkeli/novoyuuparosk-auto-wiki" auto-wiki
+        run: git clone --branch automation/songs --depth 1 "http://mikkeli:${FAPAT}@${URL_TO_GITEA#http://}/mikkeli/novoyuuparosk-auto-wiki" auto-wiki
 
       - name: Install Python deps
         run: pip install --no-cache-dir -r auto-wiki/pipelines/songs/requirements.txt