refactor(client)!: Remove request wrappers - AuthClient::role_get

[lxl66566]

Depends-On: #882

Please briefly answer these questions:

• what problem are you trying to solve? (or if there's no problem, what's the motivation for this change?)

• what changes does this pull request make?

• are there any non-obvious implications of these changes? (does it break compatibility with previous versions, etc)

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.

Project coverage is 76.21%. Comparing base (e35b35a) to head (61c82f5).
Report is 171 commits behind head on master.

Files	Patch %	Lines
crates/xlinectl/src/command/user/get.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #895      +/-   ##
==========================================
+ Coverage   75.55%   76.21%   +0.66%     
==========================================
  Files         180      189       +9     
  Lines       26938    28809    +1871     
  Branches    26938    28809    +1871     
==========================================
+ Hits        20353    21958    +1605     
- Misses       5366     5522     +156     
- Partials     1219     1329     +110     

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[mergify]

@lxl66566 Your PR is in conflict and cannot be merged.

[lxl66566]

rebased

[mergify]

@lxl66566 Convert your pr to draft since CI failed

[lxl66566]

I don't know why this CI continues to fail without any error message. I tested on my machine and there's no error.
edit: now it passed the test.