Tests

Switch to pr-261 of assign-issue-action (#12291) #20597

Job	Run time
Checkstyle	2m 24s
Markdown	6s
Modernizer	1m 11s
OpenRewrite	2m 18s
CHANGELOG.md	11s
CHANGELOG.md - only unreleased touched	19s
Unit tests	1m 24s
Code coverage	2m 20s
Database tests	3m 18s
Validate Gradle Wrapper	5s
GUI tests	1m 19s
Find merge conflicts	5s
Source branch is other than "main"	1s
Validate requirement coverage	36s
upload-pr-number	3s
	15m 40s

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