[Patch] added 9.1.x to cognos install manageSettingsCP4D

[Knickkennedy]

This fixes #2217 by simply adding 9.1.x to the list of supported versions in python/src/install/manageSettings.py. A more robust fit would be something like

def manageSettingsCP4D(self) -> None:
    from mas.devops.utils import isVersionEqualOrAfter
    channel = self.getParam("mas_app_channel_manage")
    if isVersionEqualOrAfter('8.7.0', channel) and self.showAdvancedOptions:

but I am not a regular contributor to the CLI and don't want to presume an architecture change. I'm also happy to make that change instead if we want to test and validate. I just was not sure what the intent around the hard-coded list would be moving forward.