feat(hz): hz tool don't gen sh in windows

[chaoranz758]

What type of PR is this?

feat

Check the PR title.

• This PR title match the format: <type>(optional scope): <description>
• The description of this PR title is user-oriented and clear enough for others to understand.
• Attach the PR updating the user documentation if the current PR requires user awareness at the usage level. User docs repo

(Optional) Translate the PR title into Chinese.

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

en: hz tool don't gen sh in windows
zh(optional): windows 系统下 hz 工具不生成 build.sh 以及 script/bootstrap.sh

(Optional) Which issue(s) this PR fixes:

cloudwego/cloudwego.github.io#765

(Optional) The PR that updates user documentation:

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.05% 🎉

Comparison is base (03376c9) 81.95% compared to head (874aad1) 82.00%.

❗ Current head 874aad1 differs from pull request most recent head 6705bc1. Consider uploading reports for the commit 6705bc1 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #942      +/-   ##
===========================================
+ Coverage    81.95%   82.00%   +0.05%     
===========================================
  Files           97       97              
  Lines         9625     9625              
===========================================
+ Hits          7888     7893       +5     
+ Misses        1263     1259       -4     
+ Partials       474      473       -1     

see 2 files with indirect coverage changes

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[welkeyever]

PR 描述参考其他的完善一下吧，type 是必填项 @chaoranz758