refactor(front-matter): call extract() functions in any.ts

[timreichen]

This PR replaces parser calls with extract() calls.
It also adds a missing type in front_matter/toml.ts

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.22%. Comparing base (3b75ee7) to head (259942d).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6390      +/-   ##
==========================================
- Coverage   96.23%   96.22%   -0.01%     
==========================================
  Files         556      556              
  Lines       42065    42061       -4     
  Branches     6371     6371              
==========================================
- Hits        40481    40473       -8     
- Misses       1544     1547       +3     
- Partials       40       41       +1     

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[kt3k]

LGTM