chore: enable frugal on go1.21

[felix021]

What type of PR is this?

chore: Changes to the build process or auxiliary tools and libraries such as documentation generation

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: since kitex v0.7.0, frugal is disabled when compiled on go1.21; now we can remove the restriction with frugal updated to v0.1.8
zh(optional):

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

(optional) The PR that updates user documentation:

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.04% 🎉

Comparison is base (d910b15) 67.91% compared to head (abd1468) 67.96%.

❗ Current head abd1468 differs from pull request most recent head 672df5f. Consider uploading reports for the commit 672df5f to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1100      +/-   ##
===========================================
+ Coverage    67.91%   67.96%   +0.04%     
===========================================
  Files          253      253              
  Lines        19131    19131              
===========================================
+ Hits         12993    13002       +9     
+ Misses        4951     4944       -7     
+ Partials      1187     1185       -2     

Files Changed	Coverage Δ
pkg/remote/codec/thrift/thrift_frugal_amd64.go	79.48% <ø> (ø)

... and 2 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.