chore(deps): update devdependency fs-extra to ^9.0.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
fs-extra	devDependencies	patch	^9.0.0 -> ^9.0.1

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Release Notes

jprichardson/node-fs-extra

### [`v9.0.1`](https://togithub.com/jprichardson/node-fs-extra/blob/master/CHANGELOG.md#​901--2020-06-03) [Compare Source](https://togithub.com/jprichardson/node-fs-extra/compare/9.0.0...9.0.1) - Fix issue with `ensureFile()` when used with Jest on Windows ([#​804](https://togithub.com/jprichardson/node-fs-extra/issues/804), [#​805](https://togithub.com/jprichardson/node-fs-extra/pull/805)) - Remove unneeded `process.umask()` call ([#​791](https://togithub.com/jprichardson/node-fs-extra/pull/791)) - Docs improvements ([#​753](https://togithub.com/jprichardson/node-fs-extra/pull/753), [#​795](https://togithub.com/jprichardson/node-fs-extra/pull/795), [#​797](https://togithub.com/jprichardson/node-fs-extra/pull/797))

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