fix: filter type system in v8.json being inconsistent to how the rest of the type system works

[CommanderStorm]

This PR fixes how the part of the v8.json type system works when it comes to filters

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.70%. Comparing base (a6fe44a) to head (f641131).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1388   +/-   ##
=======================================
  Coverage   93.70%   93.70%           
=======================================
  Files         111      111           
  Lines        4387     4387           
  Branches     1389     1389           
=======================================
  Hits         4111     4111           
  Misses        276      276           

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[github-actions]

Size Change: +32 B (+0.02%)

Total Size: 134 kB

Filename	Size	Change
dist/index.cjs	67.5 kB	+16 B (+0.02%)
dist/index.mjs	66.4 kB	+16 B (+0.02%)

_{compressed-size-action}

[HarelM]

LGTM, although I'm concerned if this would cause any issues in maplibre-gl-js, can you check if gl js passes render tests with this updated package?

[CommanderStorm]

tested the gl-js tests as working. maputnik does not seem to use the typos here