SSO-admin: Add basic inline policy crud operations

[joelmccoy]

Implemented basic CRUD operations for the following sso-admin methods:

• get_inline_policy_for_permission_set
• put_inline_policy_to_permission_set
• delete_inline_policy_from_permission_set

Additionally renamed the the exception ResourceNotFound to ResourceNotFoundException to comply with the proper name for the exception (SSOAdmin.Client.exceptions.ResourceNotFoundException)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ea47ba7) 95.90% compared to head (8b2c4a2) 95.90%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7182   +/-   ##
=======================================
  Coverage   95.90%   95.90%           
=======================================
  Files         840      840           
  Lines       82512    82539   +27     
=======================================
+ Hits        79134    79161   +27     
  Misses       3378     3378           

Flag	Coverage Δ
servertests	35.47% <27.27%> (-0.01%)	⬇️
unittests	95.85% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[moto-payments-app]

Hi @joelmccoy,

Thank you for contributing all these features to Moto!

To show our thanks, we'd like to share some of the donations that we've received with you. PR's like this are the big reason that Moto is as successful as it is - so it's only fair that you, as a contributor, get to share the spoils.

We've created a companion website with more information:
https://payments.getmoto.org/

Feel free to open a bug or discussion if you run into any problems:
https://github.com/getmoto/payments