Bump version to 1.4.2.15
Issue 51072 - Set the default minimum worker threads
Issue 51100 - Correct numSubordinates value for cn=monitor
Issue 51136 - dsctl and dsidm do not errors correctly when using JSON
Issue 51132 - Winsync setting winSyncWindowsFilter not working as expected
Issue 51072 - improve autotune defaults
Issue 50746 - Add option to healthcheck to list all the lint reports
Issue 51118 - UI - improve modal validation when creating an instance