Build

Enable checking javadoc.io links (#5908) #3107

Job	Run time
build-graal	7m 21s
Build (macos-latest, 8)	2m 12s
Build (macos-latest, 11)	4m 19s
Build (macos-latest, 17)	2m 22s
Build (macos-latest, 20)	2m 24s
Build (ubuntu-latest, 8)	1m 41s
Build (ubuntu-latest, 11)	2m 19s
Build (ubuntu-latest, 17)	1m 59s
Build (ubuntu-latest, 20)	2m 31s
Build (ubuntu-20.04, 17, true)	6m 46s
misspell-check / misspell-check	9s
markdown-link-check / markdown-link-check	28s
publish-snapshots	3m 8s
required-status-check	1s
	37m 40s

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