Update dependency @babel/core to v7.14.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@babel/core (source)	7.14.5 -> 7.14.6

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Release Notes

babel/babel

### [`v7.14.6`](https://togithub.com/babel/babel/blob/master/CHANGELOG.md#v7146-2021-06-14) [Compare Source](https://togithub.com/babel/babel/compare/v7.14.5...v7.14.6) ##### :bug: Bug Fix - `babel-plugin-transform-spread` - [#​13459](https://togithub.com/babel/babel/pull/13459) babel-plugin-transform-spread add missing argument in build calls ([@​zxbodya](https://togithub.com/zxbodya)) - [#​13439](https://togithub.com/babel/babel/pull/13439) Correctly transform spreads of arrays with holes ([@​nicolo-ribaudo](https://togithub.com/nicolo-ribaudo)) - `babel-helpers`, `babel-plugin-transform-destructuring`, `babel-plugin-transform-modules-commonjs` - [#​13444](https://togithub.com/babel/babel/pull/13444) fix destructuring of empty string ([@​lala7573](https://togithub.com/lala7573)) - `babel-helper-create-class-features-plugin`, `babel-plugin-proposal-class-properties` - [#​13429](https://togithub.com/babel/babel/pull/13429) fix: reference to class expression in private method ([@​lala7573](https://togithub.com/lala7573)) - `babel-parser` - [#​13428](https://togithub.com/babel/babel/pull/13428) \[ts] Support override modifiers for parameter properties ([@​sosukesuzuki](https://togithub.com/sosukesuzuki)) - [#​13449](https://togithub.com/babel/babel/pull/13449) Disallow JSX tag forming after TS non-null assertion ([@​JLHwung](https://togithub.com/JLHwung)) ##### :house: Internal - [#​13423](https://togithub.com/babel/babel/pull/13423) Faster babel build ([@​JLHwung](https://togithub.com/JLHwung)) ##### :running_woman: Performance - `babel-parser` - [#​13453](https://togithub.com/babel/babel/pull/13453) Faster readRegexp ([@​JLHwung](https://togithub.com/JLHwung))

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