feat: TeamRoleAssignment, UserRoleAssignment

[octokitbot]

"The latest OpenAPI spec resulted in changes to the generated code. Please review, set an applicable commit message, merge, and tag a release as appropriate."

[what-the-diff]

PR Summary

• Update to kiota-lock.json File
  The property known as 'descriptionHash' within the kiota-lock.json file has been modified.

• Addition of team_role_assignment_permissions.go File
  A new file named team_role_assignment_permissions.go has been added, which includes a 'struct' (a kind of logical group of variables under one name) known as TeamRoleAssignment_permissions. This struct, along with its related properties and functions, will be useful to organize and manage team role assignment permissions.

• Change of Return Type in item_organization_roles_item_teams_request_builder.go File
  In the item_organization_roles_item_teams_request_builder.go file, the 'Get' method's return type has been changed. It now returns an array of 'TeamRoleAssignmentable', which indicates an array of possible team role assignments.

• Revision of Return Type in item_organization_roles_item_users_request_builder.go File
  The same type of change has been made in the item_organization_roles_item_users_request_builder.go file, where the 'Get' method now returns an array of 'UserRoleAssignmentable'. This points to a list of possible user role assignments.