chore(deps): update babel monorepo to v7.15.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@babel/core (source)	7.15.5 -> 7.15.8
@babel/preset-env (source)	7.15.6 -> 7.15.8

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Release Notes

babel/babel

### [`v7.15.8`](https://togithub.com/babel/babel/blob/master/CHANGELOG.md#v7158-2021-10-06) [Compare Source](https://togithub.com/babel/babel/compare/v7.15.5...v7.15.8) ##### :eyeglasses: Spec Compliance - `babel-helper-module-transforms`, `babel-plugin-transform-modules-amd`, `babel-plugin-transform-modules-commonjs`, `babel-plugin-transform-modules-umd` - [#​13788](https://togithub.com/babel/babel/pull/13788) Sort module export names ([@​JLHwung](https://togithub.com/JLHwung)) - `babel-parser` - [#​13769](https://togithub.com/babel/babel/pull/13769) Tokenize keywords-like identifier as new tokens ([@​JLHwung](https://togithub.com/JLHwung)) ##### :bug: Bug Fix - `babel-generator` - [#​13821](https://togithub.com/babel/babel/pull/13821) Fix missing inner comments in class expressions ([@​overlookmotel](https://togithub.com/overlookmotel)) - `babel-generator`, `babel-parser`, `babel-plugin-proposal-pipeline-operator` - [#​13803](https://togithub.com/babel/babel/pull/13803) Collect comments around parentheses in expressions ([@​nicolo-ribaudo](https://togithub.com/nicolo-ribaudo)) - `babel-plugin-transform-typescript` - [#​13800](https://togithub.com/babel/babel/pull/13800) fix: remove imported types from export ([@​JLHwung](https://togithub.com/JLHwung)) ##### :nail_care: Polish - `babel-core` - [#​13814](https://togithub.com/babel/babel/pull/13814) Improve debug logging for IgnoreList ([@​paleite](https://togithub.com/paleite)) - `babel-node` - [#​13784](https://togithub.com/babel/babel/pull/13784) \[[@​babel/node](https://togithub.com/babel/node)] Forward the signal SIGTERM as well ([@​julienw](https://togithub.com/julienw)) ##### :house: Internal - [#​13808](https://togithub.com/babel/babel/pull/13808) Update parser plugins for TypeScript tests ([@​sosukesuzuki](https://togithub.com/sosukesuzuki)) - [#​13795](https://togithub.com/babel/babel/pull/13795) Fix Gulpfile path separator issue on Windows ([@​NotWearingPants](https://togithub.com/NotWearingPants)) ##### :running_woman: Performance - `babel-code-frame` - [#​13812](https://togithub.com/babel/babel/pull/13812) Optimization of string splitting ([@​shoonia](https://togithub.com/shoonia))

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