Tests

Add notice on usage of local models #20661

Job	Run time
Checkstyle	2m 13s
CHANGELOG.md	10s
Markdown	10s
Modernizer	1m 17s
OpenRewrite	2m 18s
CHANGELOG.md - only unreleased touched	17s
Code coverage	33s
Database tests	2m 39s
Validate Gradle Wrapper	5s
GUI tests	1m 42s
Find merge conflicts	7s
Validate requirement coverage	26s
Unit tests	7m 25s
Source branch is other than "main"	1s
upload-pr-number	4s
	19m 27s

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