feat: success callback + success_log for post-retry recovery - #662

Queue entry conditions

• -conflict [📌 queue requirement]
• any of [🔀 queue conditions]:
  • all of [📌 queue conditions of queue rule default]:
    • github-review-approved [🛡 GitHub branch protection]
    • any of:
      • #approved-reviews-by >= 1
      • author = dependabot[bot]
      • author = jd
    • check-success=test (3.10, check)
    • check-success=test (3.11, check)
    • check-success=test (3.12, check)
    • check-success=test (3.13, check)
    • check-success=test (3.14, check)
    • check-success=test (3.14, lint)
    • check-success=test (3.14, mypy)
• -closed [📌 queue requirement]
• -draft [📌 queue requirement]
• any of [📌 queue -> configuration change requirements]:
  • -mergify-configuration-changed
  • check-success = @mergify/Configuration changed
  • check-success = @mergify/Configuration has been deleted

All conditions must match for automatic queuing. You can also use @Mergifyio queue to queue manually.