merge queue: checking master (b1b3dc9) and #551 together

[mergify]

🎉 This pull request has been checked successfully and will be merged soon. 🎉

Branch master (b1b3dc9) and #551 are queued together for merge.

This pull request has been created by Mergify to check the mergeability of #551.
You don't need to do anything. Mergify will close this pull request automatically when it is complete.

Required conditions of queue rule default for merge:

• check-success=test

Required conditions to stay in the queue:

• author=scala-steward
  • Update logback-classic to 1.6.2 #551
• check-success=test
  • Update logback-classic to 1.6.2 #551

---
checking_base_sha: b1b3dc9e11f66194f0b4978f08d145781106e36f
previous_check_retries: []
previous_failed_batches: []
pull_requests:
  - number: 551
    scopes: []
scopes: []
...