Update babel monorepo

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@babel/node (source)	devDependencies	patch	7.12.1 -> 7.12.6
@babel/preset-react (source)	devDependencies	patch	7.12.1 -> 7.12.5
@babel/runtime (source)	devDependencies	patch	7.12.1 -> 7.12.5
babel-loader	devDependencies	minor	8.1.0 -> 8.2.1

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Release Notes

babel/babel

### [`v7.12.6`](https://togithub.com/babel/babel/blob/master/CHANGELOG.md#v7126-2020-11-04) [Compare Source](https://togithub.com/babel/babel/compare/v7.12.1...v7.12.6) ##### :bug: Bug Fix - `babel-node` - [#​12297](https://togithub.com/babel/babel/pull/12297) babel-node: support require flag in repl mode ([@​markshlick](https://togithub.com/markshlick)) ##### :house: Internal - [#​12304](https://togithub.com/babel/babel/pull/12304) Create a new "PR: Output optimization🔬" label ([@​nicolo-ribaudo](https://togithub.com/nicolo-ribaudo)) ##### :leftwards_arrow_with_hook: Revert - `babel-traverse`, `babel-types` - [#​12307](https://togithub.com/babel/babel/pull/12307) Revert "Mark `ThisExpression` and `Super` as `Purish`" ([@​nicolo-ribaudo](https://togithub.com/nicolo-ribaudo))

babel/babel-loader

### [`v8.2.1`](https://togithub.com/babel/babel-loader/releases/v8.2.1) [Compare Source](https://togithub.com/babel/babel-loader/compare/v8.2.0...v8.2.1) - Move `@ava/babel` to `devDependencies` [#​881](https://togithub.com/babel/babel-loader/issues/881) ([@​jvasseur](https://togithub.com/jvasseur)) ### [`v8.2.0`](https://togithub.com/babel/babel-loader/releases/v8.2.0) [Compare Source](https://togithub.com/babel/babel-loader/compare/v8.1.0...v8.2.0) - Replace `mkdirp` with `make-dir` [`47958ca`](https://togithub.com/babel/babel-loader/commit/47958ca3857e489e450b27c6f3266375015cba82) ([@​JLHwung](https://togithub.com/JLHwung)) - Use async config loading when available [`d8cff97`](https://togithub.com/babel/babel-loader/commit/d8cff97ff387ded0fc9b5cbc489228c96c5ab14a) ([@​the-spyke](https://togithub.com/the-spyke))

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