chore(main): release launchdarkly-java-sdk-internal 1.4.0 (#60) #71

Job	Run time
test-platforms-and-versions (ubuntu-latest, 8)	2m 23s
test-packaging	3m 18s
test-platforms-and-versions (ubuntu-latest, 11)	2m 40s
test-platforms-and-versions (ubuntu-latest, 17)	2m 20s
test-platforms-and-versions (ubuntu-latest, 19)	2m 22s
test-contract-tests	2m 31s
	15m 34s

Provide feedback