Tests

fixed the cleanup renaming which will only rename ".pdf" files. #20918

Job	Run time
Markdown	7s
CHANGELOG.md	9s
Checkstyle	10s
OpenRewrite	10s
CHANGELOG.md - only unreleased touched	11s
Code coverage	11s
Database tests	11s
Validate Gradle Wrapper	6s
GUI tests	10s
Find merge conflicts	6s
Validate requirement coverage	11s
Unit tests	10s
Modernizer	10s
Source branch is other than "main"	2s
upload-pr-number	3s
	2m 7s

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