Remove support for Java 11 (#2308) #4

Job	Run time
test with JDK=temurin:17	34m 55s
integration-test with JDK=temurin:17	17m 51s
platform build with JDK=temurin:17 on s390x	3h 16m 26s
integration-test with JDK=microsoft:17	18m 11s
test with JDK=microsoft:17	35m 12s
	5h 2m 35s

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