fix: do not transform mask-type

[gregberge]

Fix #643

[vercel]

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[codecov]

Codecov Report

Merging #673 (16556d0) into main (c57ee04) will increase coverage by 0.13%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #673      +/-   ##
==========================================
+ Coverage   92.45%   92.59%   +0.13%     
==========================================
  Files          32       32              
  Lines         729      729              
  Branches      240      240              
==========================================
+ Hits          674      675       +1     
+ Misses         53       52       -1     
  Partials        2        2              

Impacted Files	Coverage Δ
packages/hast-util-to-babel-ast/src/mappings.ts	100.00% <ø> (ø)
...ckages/hast-util-to-babel-ast/src/getAttributes.ts	94.28% <0.00%> (+2.85%)	⬆️

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