Standardize file names in packages/jest-haste-map

[matmalkowski]

Summary

This is part of #4969 - standardizes file names in packages/jest-haste-map under Facebook naming conventions

Test plan

I've run yarn test and although its not passing, I'm getting same test failures on master

[codecov-io]

Codecov Report

Merging #7266 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #7266   +/-   ##
=======================================
  Coverage   66.53%   66.53%           
=======================================
  Files         241      241           
  Lines        9310     9310           
  Branches        5        5           
=======================================
  Hits         6194     6194           
  Misses       3113     3113           
  Partials        3        3

Impacted Files	Coverage Δ
packages/jest-haste-map/src/lib/extractRequires.js	100% <ø> (ø)
packages/jest-haste-map/src/worker.js	94.28% <ø> (ø)	⬆️
packages/jest-haste-map/src/lib/WatchmanWatcher.js	0% <ø> (ø)
packages/jest-haste-map/src/HasteFS.js	55.55% <ø> (ø)
packages/jest-haste-map/src/crawlers/watchman.js	95.55% <ø> (ø)	⬆️
packages/jest-haste-map/src/ModuleMap.js	75.92% <ø> (ø)
packages/jest-haste-map/src/index.js	92.05% <ø> (ø)	⬆️
...ges/jest-haste-map/src/lib/getPlatformExtension.js	100% <ø> (ø)
packages/jest-haste-map/src/getMockName.js	100% <ø> (ø)
...ackages/jest-haste-map/src/lib/normalizePathSep.js	100% <ø> (ø)

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[SimenB]

Thank you!

[github-actions]

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