fix(tool): Kitex Tool exits abnormally when -use is used

[DMwangnima]

What type of PR is this?

fix

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• The description of this PR title is user-oriented and clear enough for others to understand.
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fix(tool): 当使用 -use 时 Kitex Tool 异常退出

(Optional) More detailed description for this PR(en: English/zh: Chinese).

en:
When -use is specified and the thriftgo SDK is used, the error message is inerrrather thanout, they both need to be parsed.

zh(optional):
当指定 -use 并且使用 thriftgo SDK 时，错误信息存在于err而不是out中，需要对这两种情况都进行解析。

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(optional) The PR that updates user documentation:

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 57.44%. Comparing base (8bde660) to head (9979047).
Report is 2 commits behind head on develop.

Files with missing lines	Patch %	Lines
tool/cmd/kitex/main.go	0.00%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1713      +/-   ##
===========================================
+ Coverage    57.36%   57.44%   +0.08%     
===========================================
  Files          408      408              
  Lines        37693    37696       +3     
===========================================
+ Hits         21621    21653      +32     
+ Misses       14749    14726      -23     
+ Partials      1323     1317       -6     

Flag	Coverage Δ
integration	45.92% <ø> (+0.03%)	⬆️
unit	51.87% <0.00%> (+0.06%)	⬆️

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