realm should be realms in nexus chart

Bug

Description

i.e. - This is wrong: https://repo1.dso.mil/big-bang/bigbang/-/blob/master/chart/templates/nexus-repository-manager/values.yaml?ref_type=heads#L86 This is correct: https://repo1.dso.mil/big-bang/product/packages/nexus/-/blob/main/chart/values.yaml?ref_type=heads#L69

BigBang Version

bigbang-2.39.0