[docs] Switch API docs hosting from javadoc.io to sonatype #485

Job	Run time
Set the CIRCT version from the env	1s
ci (ubuntu-20.04, 8, 2.13.12, 2.4, default) / ci	30m 31s
ci (ubuntu-20.04, 8, 2.13.12, 2.4, default) / compile project with mill	6m 12s
ci (ubuntu-20.04, 8, 2.13.12, 2.4, default) / Formatting	1m 41s
ci (ubuntu-20.04, 8, 2.13.12, 2.4, default) / Standard Library Tests (2.13.12)	2m 24s
ci (ubuntu-20.04, 8, 2.13.12, 2.4, default) / Build Mdoc & Website	11m 48s
ci (ubuntu-20.04, 8, 2.13.12, 2.4, default) / Integration Tests	13m 7s
ci (ubuntu-20.04, 8, 2.13.12, 2.4, default) / Test Scala-CLI Template / Build and Test	3m 55s
check tests	1s
all tests passed	2s
publish	0s
Deploy Website	0s
	1h 9m 42s

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