GEOMESA-3049 Add scaladocs to CI build #1850

Job	Run time
build / build-scala	4m 35s
build / unit-test-accumulo-ds / unit-tests	13m 40s
build / unit-test-accumulo-other / unit-tests	4m 46s
build / unit-test-arrow / unit-tests	30s
build / unit-test-cassandra / unit-tests	52s
build / unit-test-convert / unit-tests	1m 41s
build / unit-test-cqengine / unit-tests	1m 40s
build / unit-test-features / unit-tests	38s
build / unit-test-fs / unit-tests	3m 40s
build / unit-test-gt / unit-tests	1m 3s
build / unit-test-hbase / unit-tests	3m 24s
build / unit-test-kafka / unit-tests	2m 8s
build / unit-test-lambda / unit-tests	2m 17s
build / unit-test-metrics / unit-tests	29s
build / integration-tests / integration-tests	5m 10s
build / javadocs / build-javadocs	8m 13s
build / unit-test-process / unit-tests	45s
build / unit-test-others / unit-tests	1m 9s
build / unit-test-redis / unit-tests	31s
build / unit-test-spark / unit-tests	1m 29s
build / unit-test-utils / unit-tests	37s
	59m 17s

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