Add support for new SCIM Server Management API endpoints

[developerkunal]

🔧 Changes

• Add endpoints for SCIM configuration management.
• Include CRUD operations for SCIM configurations and tokens.
• Add test cases to verify the functionality of the new endpoints.
• Add structs and marshaller for SCIM configuration and tokens.

📚 References

• API documentation for Create SCIM Configuration
• API documentation for Read SCIM Configuration
• API documentation for Update SCIM Configuration
• API documentation for Delete SCIM Configuration
• API documentation for Read SCIM Default Configuration
• API documentation for Create SCIM Token
• API documentation for List SCIM Tokens
• API documentation for Delete SCIM Token

🔬 Testing

1. Run unit tests to ensure the SCIM configuration and token endpoints work correctly.
2. Manually test the endpoints using a tool like Postman to ensure they function as expected.
3. Verify that the SCIM configuration is properly created, read, updated, and deleted.

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A)
• I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.44%. Comparing base (aaf54a7) to head (0f49532).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #419      +/-   ##
==========================================
+ Coverage   95.37%   95.44%   +0.06%     
==========================================
  Files          47       47              
  Lines        7614     7725     +111     
==========================================
+ Hits         7262     7373     +111     
  Misses        235      235              
  Partials      117      117              

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