feat: custom sounds create/update API endpoints with file validations - #39617

Conclusion: success

Steps

• ✅ No merge conflicts
• ✅ QA assured
• ✅ Mergeable
• ✅ Has milestone or project
• ✅ Valid PR title
• ✅ Correct target version

Merge

⚠️ All merge strategies failed
❌ Enqueue: Request failed due to following response errors:

• Pull request is already in the queue — Pull request is already in the queue
  ❌ Auto-merge: Request failed due to following response errors:
• Auto merge is not allowed for this repository — Auto merge is not allowed for this repository
  ❌ Squash merge: status=405 — Pull Request is in the merge queue. - https://docs.github.com/rest/pulls/pulls#merge-a-pull-request