trigger CI on merge_group event

[jakob-keller]

Description of Change

Trigger CI on merge_group event.

Assumptions

Repo settings will be updated according to documentation: https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/configuring-pull-request-merges/managing-a-merge-queue

Checklist for All Submissions

• I have added change info to CHANGES.rst
• If this is resolving an issue (needed so future developers can determine if change is still necessary and under what conditions) (can be provided via link to issue with these details): closes Run CI/CD on merge queue #1170
  • Detailed description of issue
  • Alternative methods considered (if any)
  • How issue is being resolved
  • How issue can be reproduced
• If this is providing a new feature (can be provided via link to issue with these details):
  • Detailed description of new feature
  • Why needed
  • Alternatives methods considered (if any)

Checklist when updating botocore and/or aiohttp versions

• I have read and followed CONTRIBUTING.rst
• I have updated test_patches.py where/if appropriate (also check if no changes necessary)
• I have ensured that the awscli/boto3 versions match the updated botocore version

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.10%. Comparing base (e1829d9) to head (1f90fc6).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1244      +/-   ##
==========================================
+ Coverage   88.05%   88.10%   +0.05%     
==========================================
  Files          67       67              
  Lines        5904     5904              
==========================================
+ Hits         5199     5202       +3     
+ Misses        705      702       -3     

Flag	Coverage Δ
unittests	88.10% <ø> (+0.05%)	⬆️

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[jakob-keller]

Someone with admin permissions: feel free to update repo settings accordingly.

[webknjaz]

Done. Interestingly, there's only one codecov in branch protection, and no required CI checks.. That seems weird.