chore(deps): update devdependency eslint-plugin-jest to ^23.9.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint-plugin-jest	devDependencies	minor	^23.8.2 -> ^23.9.0

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Release Notes

jest-community/eslint-plugin-jest

### [`v23.9.0`](https://togithub.com/jest-community/eslint-plugin-jest/blob/master/CHANGELOG.md#​2390-httpsgithubcomjest-communityeslint-plugin-jestcomparev2382v2390-2020-05-04) [Compare Source](https://togithub.com/jest-community/eslint-plugin-jest/compare/v23.8.2...v23.9.0) ##### Features - create `no-deprecated-functions` ([#​560](https://togithub.com/jest-community/eslint-plugin-jest/issues/560)) ([55d0504](https://togithub.com/jest-community/eslint-plugin-jest/commit/55d0504cadc945b770d7c3b6d3cab425c9b76d0f)) #### [23.8.2](https://togithub.com/jest-community/eslint-plugin-jest/compare/v23.8.1...v23.8.2) (2020-03-06) ##### Bug Fixes - **prefer-to-contain:** check that expect argument is defined before use ([#​542](https://togithub.com/jest-community/eslint-plugin-jest/issues/542)) ([56f909b](https://togithub.com/jest-community/eslint-plugin-jest/commit/56f909b326034236953d04b18dab3f64b16a2973)) #### [23.8.1](https://togithub.com/jest-community/eslint-plugin-jest/compare/v23.8.0...v23.8.1) (2020-02-29) ##### Bug Fixes - remove tests from published package ([#​541](https://togithub.com/jest-community/eslint-plugin-jest/issues/541)) ([099a150](https://togithub.com/jest-community/eslint-plugin-jest/commit/099a150b87fa693ccf1c512ee501aed1457ba656))

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