Sort trailers to ensure the order

[ffjlabo]

What this PR does:

Sort trailers before commit with them to ensure the order.

Why we need it:

Which issue(s) this PR fixes:

Part of #5028

Does this PR introduce a user-facing change?:

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[khanhtc1202]

@ffjlabo Go build and test failed, maybe caused by the CI go version 👀

[ffjlabo]

@khanhtc1202 Sorry, it seems that these feature are supported from Go 1.23. So I will rewrite it with Go 1.22 syntax for now.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 25.31%. Comparing base (1763f92) to head (6594052).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5334      +/-   ##
==========================================
+ Coverage   25.28%   25.31%   +0.02%     
==========================================
  Files         444      444              
  Lines       47574    47601      +27     
==========================================
+ Hits        12028    12049      +21     
- Misses      34603    34609       +6     
  Partials      943      943              

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[ffjlabo]

@khanhtc1202 Updated at 6594052 🙏

[Warashi]

LGTM