Optionally create/update managed groups in Adobe IMS

[kwin]

This leverages the UMAPI

This closes #698

[kwin]

I am puzzled by this error message in the IT: errorCode=error.usergroup.not_found, requestID=null, index=0, step=0, message=Usergroup not found: testGroup, user=testGroup

It is expected that the user group does not exist yet, if I want to create it: https://adobe-apiplatform.github.io/umapi-documentation/en/api/usergroupActionCommands.html#createUserGroup.

Update: Raised a support ticket for this in https://adminconsole.adobe.com/FA907D44536A3C2B0A490D4D@AdobeOrg/support/support-cases/E-001223901.

[sonarcloud[bot]]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
66.7% Coverage on New Code
0.0% Duplication on New Code

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