What type of PR is this?

chore: Create .codecov.yml to support codecov ignore

What this PR does / why we need it (en: English/zh: Chinese):

en: support codecov zh: 支持 codecov

Codecov Report

:exclamation: No coverage uploaded for pull request base (develop@8638120). Click here to learn what that means. The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop     #588   +/-   ##
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  Coverage           ?   61.63%           
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  Files              ?      211           
  Lines              ?    16211           
  Branches           ?        0           
==========================================
  Hits               ?     9991           
  Misses             ?     5271           
  Partials           ?      949           

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