Update dependency eslint-plugin-jsx-a11y to v6.2.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint-plugin-jsx-a11y	devDependencies	patch	6.2.1 -> 6.2.3

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Release Notes

evcohen/eslint-plugin-jsx-a11y

### [`v6.2.3`](https://togithub.com/evcohen/eslint-plugin-jsx-a11y/blob/master/CHANGELOG.md#​623--2019-06-30) [Compare Source](https://togithub.com/evcohen/eslint-plugin-jsx-a11y/compare/v6.2.2...v6.2.3) ================= - [617] Add [@​babel/runtime](https://togithub.com/babel/runtime) to the dependencies ### [`v6.2.2`](https://togithub.com/evcohen/eslint-plugin-jsx-a11y/blob/master/CHANGELOG.md#​622--2019-06-29) [Compare Source](https://togithub.com/evcohen/eslint-plugin-jsx-a11y/compare/v6.2.1...v6.2.2) ================= - Update jsx-ast-utils to v2.2.1 - Add [@​babel/cli](https://togithub.com/babel/cli) to the dev dependencies - Update ESLint to v6 - Update jsx-ast-utils to 2.2.0 - Update flow-bin to version 0.102.0 - [589] Allow expression statements for attribute values in no-noninteractive-tabindexlow-bin-0.101.0 - [583] Allow expression values in attributes by configurationrror - [596] Adding a test case for no-static-element-interactionseper/flow-bin-0.101.0) Merge branch 'master' into greenkeeper/flow-bin-0.101.0 - Only run branch test coverage on the master branch - chore(package): update flow-bin to version 0.100.0 - Allow select as a valid child of label. - Allow Node 4 / ESLint 3 failure to unblock ESLint upgrade in PR [#​568](https://togithub.com/evcohen/eslint-plugin-jsx-a11y/issues/568) - chore(package): update flow-bin to version 0.99.0 - Remove rootDir from Jest path configs - (fix) Template literals with undefined evaluate to the string undefined. - adds more tests to “anchor-is-valid” - Fixes “anchor-is-valid” false positive for hrefs starting with the word “javascript” - chore(package): update eslint-plugin-flowtype to version 3.5.0 - Modified no-static-element-interactions to pass on non-literal roles. - Added isNonLiteralProperty util method - [#​399] Account for spread in parser options - [552] control-has-associated-label should allow generic links - [issue 392] ul role='list' test case - chore(package): update eslint to version 5.15.2 - chore(package): update flow-bin to version 0.95.0 - chore(package): update expect to version 24.3.1 - Fix typo: defintions > definitions - docs: add proper title to links to axe website for media-has-caption - docs: removes deprecated rule label-has-for - docs: fix typo and couple grammatical errors in Readme - Ignore null/undefined values in role-supports-aria-props rule - Ignore undefined values in aria-proptypes rule - Ignore null values in aria-proptypes rule - set target for node 4

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