fix: update actions and use better PR search

[github-actions]

This is the main issue tracking #80

Please add labels indicating the release versions eg. 'version/v0'

Please add comments for user issues which this issue addresses.

Description copied from PR:

Related Issue

Addresses #5 (main issue)

Description

This updates all GitHub actions, it either updates the version or sets it to the proper commit.
There is also a fix for a broken workflow, we need a more in depth PR search when generating backport issues.

Testing

actionlint

[matttrach]

merged