feat: add authorization list for policy transactions

[kingpinXD]

Description

• This pr adds a new authorization list
• It adds the Get,Set and Genesis methods for the newly added state
• It defines the type and adds functions to modify the list

Closes:#2246

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Include instructions and any relevant details so others can reproduce.

• Tested CCTX in localnet
• Tested in development environment
• Go unit tests
• Go integration tests
• Tested via GitHub Actions

Checklist:

• I have added unit tests that prove my fix feature works

[codecov]

Codecov Report

Attention: Patch coverage is 98.43750% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 69.25%. Comparing base (0e75423) to head (c61594b).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2289      +/-   ##
===========================================
+ Coverage    69.14%   69.25%   +0.11%     
===========================================
  Files          272      274       +2     
  Lines        16472    16535      +63     
===========================================
+ Hits         11389    11452      +63     
  Misses        4599     4599              
  Partials       484      484              

Files	Coverage Δ
x/authority/genesis.go	100.00% <100.00%> (ø)
x/authority/keeper/authorization_list.go	100.00% <100.00%> (ø)
x/authority/types/authorizations.go	100.00% <100.00%> (ø)
app/setup_handlers.go	0.00% <0.00%> (ø)