Update dependency babel-loader to v8.0.6

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
babel-loader	devDependencies	patch	8.0.5 -> 8.0.6

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Release Notes

babel/babel-loader

### [`v8.0.6`](https://togithub.com/babel/babel-loader/releases/v8.0.6) [Compare Source](https://togithub.com/babel/babel-loader/compare/v8.0.5...v8.0.6) - Migrate to pify ([#​785](https://togithub.com/babel/babel-loader/issues/785)) - Reduced memory usage ([#​781](https://togithub.com/babel/babel-loader/issues/781))

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