Update OTX1.6.1 changelog #6589

Job	Run time
Code-Quality-Checks	4m 2s
Coverage-Test	22m 8s
Unit-Test-with-Python3.9 / run_tests_in_tox	11m 26s
Integration-Test-py310-det / run_tests_in_tox	41m 30s
Integration-Test-py310-act / run_tests_in_tox	17m 54s
Integration-Test-py310-ano / run_tests_in_tox	12m 5s
Integration-Test-py310-cls / run_tests_in_tox	24m 19s
Integration-Test-py310-all / run_tests_in_tox	10m 40s
Integration-Test-py310-iseg / run_tests_in_tox	31m 21s
Integration-Test-py310-seg / run_tests_in_tox	14m 33s
Integration-Test-py310-visprompt / run_tests_in_tox	19m 20s
	3h 29m 18s

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