Skip check-dist for dependabot PRs

The compile-dependabot-updates workflow handles dist/ rebuilds for
dependabot PRs, but its push via GITHUB_TOKEN does not re-trigger
workflows. This causes check-dist to always fail on the pre-rebuild
commit with no chance to re-run against the updated dist/.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hsbt

.github/workflows/check-dist.yml

@@ -20,6 +20,7 @@ permissions: {}
 
 jobs:
   check-dist:
+    if: ${{ github.actor != 'dependabot[bot]' }}
     runs-on: ubuntu-latest
 
     steps: