Kotlin 2 support and drop Kotlin 1 support #1859

Job	Run time
bazel	1m 24s
Docker CLI tests (ubuntu-latest)	5m 37s
check	5m 6s
Tests (ubuntu-latest, 8)	18m 33s
Tests (ubuntu-latest, 11)	18m 31s
Tests (ubuntu-latest, 17)	12m 9s
Maven tests (8)	2m 42s
Maven tests (17)	2m 44s
Tests (ubuntu-latest, 21)	8m 2s
Maven tests (11)	2m 46s
Maven tests (21)	2m 24s
bazel_aspect	2m 42s
	1h 22m 40s

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