merge queue: embarking unstable (6196289) and [#5635 + #5641 + #5620 + #5290] together

[mergify]

🎉 This combination of pull requests has been checked successfully and will be merged soon. 🎉

Branch unstable (6196289) and [#5635 + #5641 + #5620 + #5290] are embarked together for merge.

This pull request has been created by Mergify to speculatively check the mergeability of [#5635 + #5641 + #5620 + #5290].
You don't need to do anything. Mergify will close this pull request automatically when it is complete.
Required conditions of queue default for merge:

• check-success=local-testnet-success
• check-success=test-suite-success

Required conditions to stay in the queue:

• #approved-reviews-by >= 1
  • Yaml rust2 #5635
  • Bump jobserver and fix non-portable builds #5641
  • Drop lookup type trait for a simple arg #5620
  • Encode Execution Engine Client Version In Graffiti #5290
• check-success=license/cla
  • Yaml rust2 #5635
  • Bump jobserver and fix non-portable builds #5641
  • Drop lookup type trait for a simple arg #5620
  • Encode Execution Engine Client Version In Graffiti #5290
• check-success=target-branch-check
  • Yaml rust2 #5635
  • Bump jobserver and fix non-portable builds #5641
  • Drop lookup type trait for a simple arg #5620
  • Encode Execution Engine Client Version In Graffiti #5290

---
previous_failed_batches: []
pull_requests:
  - number: 5635
  - number: 5641
  - number: 5620
  - number: 5290
...

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
5 out of 6 committers have signed the CLA.

✅ dapplion
✅ ethDreamer
✅ jimmygchen
✅ realbigsean
✅ michaelsproul
❌ mergify[bot]
_{You have signed the CLA already but the status is still pending? Let us recheck it.}