feat: return revert function for registers

[antfu]

https://github.com/ariporad/pirates#usage

Allowing users to revert the hook registrations.

[codecov]

Codecov Report

Merging #604 (c5591a7) into main (38b66f3) will increase coverage by 0.08%.
The diff coverage is 0.00%.

❗ Current head c5591a7 differs from pull request most recent head ce826a3. Consider uploading reports for the commit ce826a3 to get more accurate results

@@            Coverage Diff             @@
##             main     #604      +/-   ##
==========================================
+ Coverage   81.87%   81.95%   +0.08%     
==========================================
  Files          55       55              
  Lines        5571     5808     +237     
  Branches     1314     1314              
==========================================
+ Hits         4561     4760     +199     
- Misses        726      764      +38     
  Partials      284      284              

Impacted Files	Coverage Δ
src/register.ts	0.00% <0.00%> (ø)
src/util/formatTokens.ts	70.58% <0.00%> (-10.06%)	⬇️
src/parser/util/identifier.ts	90.90% <0.00%> (-4.10%)	⬇️
src/util/shouldElideDefaultExport.ts	77.77% <0.00%> (-3.48%)	⬇️
src/util/getClassInfo.ts	87.21% <0.00%> (-1.93%)	⬇️
src/parser/plugins/jsx/index.ts	91.33% <0.00%> (-1.48%)	⬇️
src/parser/plugins/flow.ts	63.72% <0.00%> (-1.28%)	⬇️
src/identifyShadowedGlobals.ts	87.80% <0.00%> (-1.09%)	⬇️
src/parser/traverser/expression.ts	88.10% <0.00%> (-0.11%)	⬇️
src/Options.ts	100.00% <0.00%> (ø)
... and 20 more

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[github-actions]

Benchmark results

Before this PR: 253.8 thousand lines per second
After this PR: 251.9 thousand lines per second

Measured change: 0.73% slower (2.02% slower to 0.16% faster)
Summary: Likely no significant difference

[alangpierce]

Thank you!