chore: update sonic to support Go1.21

[GuangmingLuo]

What type of PR is this?

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: update sonic to support Go1.21 & remove unused images.
zh(optional):

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

(Optional) The PR that updates user documentation:

[codecov]

Codecov Report

Patch coverage: 71.42% and project coverage change: -0.02% ⚠️

Comparison is base (a3770c3) 80.30% compared to head (7b036b6) 80.28%.
Report is 2 commits behind head on develop.

❗ Current head 7b036b6 differs from pull request most recent head c0955a3. Consider uploading reports for the commit c0955a3 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #914      +/-   ##
===========================================
- Coverage    80.30%   80.28%   -0.02%     
===========================================
  Files           97       97              
  Lines         9602     9604       +2     
===========================================
  Hits          7711     7711              
- Misses        1408     1409       +1     
- Partials       483      484       +1     

Files Changed	Coverage Δ
pkg/protocol/http1/ext/common.go	70.32% <66.66%> (+0.19%)	⬆️
pkg/common/utils/chunk.go	93.93% <100.00%> (ø)

... and 1 file with indirect coverage changes

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

[welkeyever]

This update is not necessary triggered at the hertz side - users can update directly in their own projects.

Please let me know if there is anything I'm missing.