fix: call destroy on v8-to-istanbul converters to free memory

[SimenB]

Summary

See istanbuljs/v8-to-istanbul#161

Test plan

Green CI

[codecov-commenter]

Codecov Report

Merging #11896 (5ea40eb) into main (341843f) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main   #11896      +/-   ##
==========================================
- Coverage   68.73%   68.73%   -0.01%     
==========================================
  Files         322      322              
  Lines       16580    16582       +2     
  Branches     4784     4784              
==========================================
  Hits        11397    11397              
- Misses       5150     5152       +2     
  Partials       33       33              

Impacted Files	Coverage Δ
packages/jest-reporters/src/CoverageReporter.ts	59.89% <0.00%> (-0.65%)	⬇️

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[github-actions]

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