fix: do not default coverageProvider in yargs

[SimenB]

Summary

Fixed #9561

We default in normalize and since argv overwrites config from file the default from argv always won. Now we'll default from Defaults instead - so still babel by default out of normalize, but now possible to set coverageProvider in config

Test plan

Verified manually 😅

[drew-gross]

Codecov Report

Merging #9562 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #9562      +/-   ##
==========================================
- Coverage   65.05%   65.04%   -0.02%     
==========================================
  Files         286      286              
  Lines       12123    12123              
  Branches     3004     3004              
==========================================
- Hits         7887     7885       -2     
- Misses       3599     3600       +1     
- Partials      637      638       +1     

Impacted Files	Coverage Δ
packages/expect/src/utils.ts	94.96% <0.00%> (-1.26%)	⬇️

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