refactor(yaml): remove version property, separate directive handling

[timreichen]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 95.23810% with 1 line in your changes missing coverage. Please review.

Project coverage is 94.65%. Comparing base (0ad72c3) to head (c3d9d18).
Report is 17 commits behind head on main.

Files with missing lines	Patch %	Lines
yaml/_loader_state.ts	95.23%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6657      +/-   ##
==========================================
- Coverage   94.65%   94.65%   -0.01%     
==========================================
  Files         576      576              
  Lines       47060    47061       +1     
  Branches     6608     6609       +1     
==========================================
  Hits        44545    44545              
- Misses       2473     2474       +1     
  Partials       42       42              

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[kt3k]

LGTM