Prevent strings from wrapping in .yaml for a proper round-trip

[janpawlowskiof]

• ❗ I have followed the Contributing to DVC checklist.

• 📖 If this PR requires documentation updates, I have created a separate PR (or issue, at least) in dvc.org and linked it here.

  • Does not change things for the user

Solve for #10668
This issue and solution was somewhat mentioned in #9397

Cheers!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.07%. Comparing base (2431ec6) to head (5147ed4).
Report is 32 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10669      +/-   ##
==========================================
+ Coverage   90.68%   91.07%   +0.39%     
==========================================
  Files         504      504              
  Lines       39795    39932     +137     
  Branches     3141     3157      +16     
==========================================
+ Hits        36087    36367     +280     
+ Misses       3042     2938     -104     
+ Partials      666      627      -39     

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[janpawlowskiof]

Just to give an update, I have been using this branch at works since and encountered no issues.
I would really love to have this on main though, as this fix is a hard requirement to make dvc usable for me :)

[shcheklein]

@skshetry can we merge this?

[skshetry]

@skshetry can we merge this?

See #10668 (comment).