* 11091 add permission to allow user to create api tokens for other users
* 11091 update docs
* 11091 fix for test
* 11091 fix for test
* 11091 test case for invalid token creation
* 11091 add test for permission grant
* Cleanup & fix serializer validation
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Co-authored-by: jeremystretch <jstretch@netboxlabs.com>