ci: deploy only website service, skip unrelated ghost DB

ghost-cosmolocal-db OOM is a separate infra issue that
shouldn't block website deploys.

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

.gitea/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
             cat .last-deployed-tag 2>/dev/null > .rollback-tag || true
             echo '${{ env.IMAGE_TAG }}' > .last-deployed-tag
             docker pull ${{ env.IMAGE }}:${{ env.IMAGE_TAG }}
-            IMAGE_TAG=${{ env.IMAGE_TAG }} docker compose up -d --no-build
+            IMAGE_TAG=${{ env.IMAGE_TAG }} docker compose up -d --no-build cosmolocal-website
           "
 
       - name: Smoke test