GH action - auto-update PRs

[Borda]

What does this PR do?

This shall update PR which is ready-to-go but need to be tested in action as not sure how it will act if there are some collisions, and if it works we can also drop a comment message
see: https://github.com/marketplace/actions/auto-update

Before submitting

• Was this discussed/approved via a GitHub issue? (not for typos and docs)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure your PR does only one thing, instead of bundling different changes together?
• Did you make sure to update the documentation with your changes? (if necessary)
• Did you write any new necessary tests? (not for typos and docs)
• Did you verify new and existing tests pass locally with your changes?
• Did you update the CHANGELOG? (not for typos, docs, test updates, or internal minor changes/refactorings)

PR review

Anyone in the community is free to review the PR once the tests have passed.
Before you start reviewing make sure you have read Review guidelines. In short, see the following bullet-list:

• Is this pull request ready for review? (if not, please submit in draft mode)
• Check that all items from Before submitting are resolved
• Make sure the title is self-explanatory and the description concisely explains the PR
• Add labels and milestones (and optionally projects) to the PR so it can be classified
• Check that target branch and milestone match!

Did you have fun?

Make sure you had fun coding 🙃

[SeanNaren]

Nice this is awesome. Hopefully works out!

[codecov]

Codecov Report

Merging #5451 (1303122) into master (499d503) will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #5451   +/-   ##
======================================
  Coverage      93%     93%           
======================================
  Files         135     135           
  Lines       10011   10011           
======================================
  Hits         9324    9324           
  Misses        687     687           

[awaelchli]

"update" branch means it will trigger CI too? that would be very costly considering drone takes almost 20 mins per run

[Borda]

"update" branch means it will trigger CI too? that would be very costly considering drone takes almost 20 mins per run

it will work only with ready-to-go label, as @SeanNaren asked for :]

[s-rog]

Didn't know this existed!