feat(master-api-key/roles): Add roles to master api key

[gagantrivedi]

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Changes

• Adds authentication class for master API key
• Remove master API key middleware
• Remove master API key specific permissions
• Add roles support to master API key

New endpoint:

[GET/PUT/DELETE/POST] /api/v1/organisations/{organisation_pk}/roles/{role_pk}/master-api-keys/

How did you test this code?

Covered by unit tests

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[github-actions]

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[codecov-commenter]

Codecov Report

Patch coverage: 93.25% and project coverage change: -0.01% ⚠️

Comparison is base (81d5396) 95.47% compared to head (1f9f9bc) 95.46%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2436      +/-   ##
==========================================
- Coverage   95.47%   95.46%   -0.01%     
==========================================
  Files         982      986       +4     
  Lines       27558    27689     +131     
==========================================
+ Hits        26310    26434     +124     
- Misses       1248     1255       +7     

Files Changed	Coverage Δ
api/app/settings/common.py	87.71% <ø> (ø)
api/environments/permissions/permissions.py	74.11% <ø> (-2.30%)	⬇️
api/features/tests/test_views.py	100.00% <ø> (ø)
api/organisations/urls.py	74.35% <0.00%> (-1.96%)	⬇️
api/projects/permissions.py	88.00% <ø> (-3.75%)	⬇️
...integration/environments/test_clone_environment.py	100.00% <ø> (ø)
...turestate/test_environment_featurestate_viewset.py	100.00% <ø> (ø)
...s/featurestate/test_simple_featurestate_viewset.py	100.00% <ø> (ø)
...ures/multivariate/test_integration_multivariate.py	100.00% <ø> (ø)
...pi/tests/unit/features/test_unit_features_views.py	100.00% <ø> (ø)
... and 37 more

... and 2 files with indirect coverage changes

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