#6736 [Proto] add created_by to task group Pull request opened by machichima ## Tracking issue ## Why are the changes needed? created_by is missing in task group proto ## What changes were proposed in this pull request? ## How was this patch tested? ### Labels Please add one or more of the following labels to categorize your PR: • added: For new features. • changed: For changes in existing functionality. • deprecated: For soon-to-be-removed features. • removed: For features being removed. • fixed: For any bug fixed. • security: In case of vulnerabilities This is important to improve the readability of release notes. ### Setup process ### Screenshots ## Check all the applicable boxes • I updated the documentation accordingly. • All new and existing tests passed. • All commits are signed-off. ## Related PRs ## Docs link flyteorg/flyte