Bump eslint-plugin-react from 7.20.6 to 7.31.11

Bumps [eslint-plugin-react](https://github.com/jsx-eslint/eslint-plugin-react) from 7.20.6 to 7.31.11.
- [Release notes](https://github.com/jsx-eslint/eslint-plugin-react/releases)
- [Changelog](https://github.com/jsx-eslint/eslint-plugin-react/blob/master/CHANGELOG.md)
- [Commits](jsx-eslint/eslint-plugin-react@v7.20.6...v7.31.11)

---
updated-dependencies:
- dependency-name: eslint-plugin-react
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -32,7 +32,7 @@
     "eslint-plugin-import": "2.22.0",
     "eslint-plugin-jsx-a11y": "6.3.1",
     "eslint-plugin-promise": "4.2.1",
-    "eslint-plugin-react": "7.20.6",
+    "eslint-plugin-react": "7.31.11",
     "file-loader": "6.00",
     "flow-bin": "0.133.0",
     "gh-pages": "3.1.0",