repotests

Update readme. Includes Java 21 patch #190

# to view logs

Run time

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Job	Run time
jvm-testing (ubuntu-latest, 17)	2h 45m 28s
jvm-testing (ubuntu-latest, 19)	2h 24m 27s
jvm-testing (ubuntu-latest, 20)	1h 6m 2s
jvm-testing (ubuntu-latest, 21)	2h 13m 37s
jvm-testing (macos-latest, 17)	1h 53m 17s
jvm-testing (macos-latest, 19)	1h 31m 9s
jvm-testing (macos-latest, 20)	1h 17m 32s
jvm-testing (macos-latest, 21)	1h 18m 0s
jvm-testing (windows-latest, 17)	2m 38s
jvm-testing (windows-latest, 19)	2m 59s
jvm-testing (windows-latest, 20)	3m 3s
jvm-testing (windows-latest, 21)	2m 37s
	14h 40m 49s