Fix CI release: configure git identity for annotated tag creation

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

Author: radiosilence

.github/workflows/ci.yml

@@ -159,6 +159,8 @@ jobs:
 
       - name: Create tag
         run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
           git tag -a "v${VERSION}" -m "Release v${VERSION}"
           git push origin "v${VERSION}"