keycloak_userprofile: improve diff by deserializing fetched `kc.user.profile.config` and serializing it before sending (#8940)
* deserialize fetched `kc.user.profile.config` and serialize it before sending
* change `kc.user.profile.config` to JSON formatted string in mock `get_component` responses
* add changelog fragment
(cherry picked from commit c814fd0530)
Co-authored-by: fgruenbauer <gruenbauer@b1-systems.de>
keycloak_userprofile: new module (#8651)
keycloak_userprofile: new keycloak module to manage user profiles (#8651)
(cherry picked from commit 529af4984c)
Co-authored-by: Eike Waldt <waldt@b1-systems.de>
