chore(deps): update dependency eslint-plugin-import to v2.21.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint-plugin-import	devDependencies	minor	2.20.2 -> 2.21.0

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Release Notes

benmosher/eslint-plugin-import

### [`v2.21.0`](https://togithub.com/benmosher/eslint-plugin-import/blob/master/CHANGELOG.md#​2210---2020-06-07) [Compare Source](https://togithub.com/benmosher/eslint-plugin-import/compare/v2.20.2...v2.21.0) ##### Added - [`import/default`]: support default export in TSExportAssignment ([#​1528], thanks [@​joaovieira]) - [`no-cycle`]: add `ignoreExternal` option ([#​1681], thanks [@​sveyret]) - [`order`]: Add support for TypeScript's "import equals"-expressions ([#​1785], thanks [@​manuth]) - [`import/default`]: support default export in TSExportAssignment ([#​1689], thanks [@​Maxim-Mazurok]) - [`no-restricted-paths`]: add custom message support ([#​1802], thanks [@​malykhinvi]) ##### Fixed - [`group-exports`]: Flow type export awareness ([#​1702], thanks [@​ernestostifano]) - [`order`]: Recognize pathGroup config for first group ([#​1719], [#​1724], thanks [@​forivall], [@​xpl]) - [`no-unused-modules`]: Fix re-export not counting as usage when used in combination with import ([#​1722], thanks [@​Ephem]) - [`no-duplicates`]: Handle TS import type ([#​1676], thanks [@​kmui2]) - [`newline-after-import`]: recognize decorators ([#​1139], thanks [@​atos1990]) - [`no-unused-modules`]: Revert "[flow] `no-unused-modules`: add flow type support" ([#​1770], thanks [@​Hypnosphi]) - TypeScript: Add nested namespace handling ([#​1763], thanks [@​julien1619]) - [`namespace`]/`ExportMap`: Fix interface declarations for TypeScript ([#​1764], thanks [@​julien1619]) - [`no-unused-modules`]: avoid order-dependence ([#​1744], thanks [@​darkartur]) - [`no-internal-modules`]: also check `export from` syntax ([#​1691], thanks [@​adjerbetian]) - TypeScript: [`export`]: avoid a crash with `export =` ([#​1801], thanks [@​ljharb]) ##### Changed - [Refactor] `no-extraneous-dependencies`: use moduleVisitor ([#​1735], thanks [@​adamborowski]) - TypeScript config: Disable [`named`][] ([#​1726], thanks [@​astorije]) - [readme] Remove duplicate no-unused-modules from docs ([#​1690], thanks [@​arvigeus]) - [Docs] `order`: fix bad inline config ([#​1788], thanks [@​nickofthyme]) - [Tests] Add fix for Windows Subsystem for Linux ([#​1786], thanks [@​manuth]) - [Docs] `no-unused-rules`: Fix docs for unused exports ([#​1776], thanks [@​barbogast]) - [eslint] bump minimum v7 version to v7.2.0

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