fix: remove [skip ci] from publish workflow

The [skip ci] tag in the publish commit message was preventing
downstream workflows (e.g. deploy-website.yml) from triggering
on the push to main.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: aaronpowell

.github/workflows/publish.yml

@@ -50,5 +50,5 @@ jobs:
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
           git add -A
           git add -f plugins/*/agents/ plugins/*/skills/
-          git commit -m "chore: publish from staged [skip ci]" --allow-empty
+          git commit -m "chore: publish from staged" --allow-empty
           git push origin HEAD:main --force