fix(comp:icon): modify branch icon

[sallerli1]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

What is the new behavior?

更新 branch 图标 svg

Other information

[idux-bot]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.47%. Comparing base (18b9d31) to head (2a02f4d).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2007   +/-   ##
=======================================
  Coverage   86.47%   86.47%           
=======================================
  Files         383      383           
  Lines       23869    23869           
  Branches     3397     3397           
=======================================
  Hits        20641    20641           
  Misses       3228     3228           

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