[master] RFR: Merge jdk:jdk-21+20 [v3]

[Roman Kennke]

On Fri, 28 Apr 2023 15:30:23 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> Merge jdk21+20
>
> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix jtreg tests

Let's wait until GHA are green, and then push it!
Thanks for doing this!

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Marked as reviewed by rkennke (Lead).

PR Review: https://git.openjdk.org/lilliput/pull/87#pullrequestreview-1406191175