Update babel monorepo to v7.6.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@babel/core (source)	devDependencies	patch	7.6.0 -> 7.6.2
@babel/preset-env (source)	devDependencies	patch	7.6.0 -> 7.6.2

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Release Notes

babel/babel

v7.6.2

Compare Source

👓 Spec Compliance

• babel-parser
  • #​10472 added check to disallow super.private variable access and test case added (@​vivek12345)

🐛 Bug Fix

• babel-parser
  • #​10467 [parser] Invalid NonOctal Decimal (@​gonzarodriguezt)
  • #​10468 [parser] Disallow numeric separator in unicode scape sequences (@​ivandevp)
  • #​10445 Leave trailing comments after handling a possible trailing comma (@​nicolo-ribaudo)

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