test: fix the wrong code coverage from codecov icon in default branch

[l81893521]

• I have registered the PR changes.

Ⅰ. Describe what this PR did

Update the Codecov live icon

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.12%. Comparing base (a4f0463) to head (9c3af0b).
Report is 1 commits behind head on 2.x.

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x    #6773      +/-   ##
============================================
- Coverage     52.16%   52.12%   -0.04%     
+ Complexity     6294     6293       -1     
============================================
  Files          1064     1064              
  Lines         37215    37215              
  Branches       4417     4417              
============================================
- Hits          19414    19400      -14     
- Misses        15882    15895      +13     
- Partials       1919     1920       +1     

see 3 files with indirect coverage changes

[funky-eyes]

LGTM