Add correct jsx-a11y version

Author: simonsmith

package.json

@@ -73,7 +73,7 @@
     "eslint-import-resolver-babel-module": "^3.0.0",
     "eslint-plugin-flowtype": "^2.30.0",
     "eslint-plugin-import": "^2.2.0",
-    "eslint-plugin-jsx-a11y": "^6.0.2",
+    "eslint-plugin-jsx-a11y": "^5.1.1",
     "eslint-plugin-lodash-fp": "^2.1.3",
     "eslint-plugin-react": "^7.4.0",
     "extract-text-webpack-plugin": "^3.0.0",

yarn.lock

@@ -2390,9 +2390,9 @@ eslint-plugin-import@^2.2.0:
     minimatch "^3.0.3"
     read-pkg-up "^2.0.0"
 
-eslint-plugin-jsx-a11y@^6.0.2:
-  version "6.0.2"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.0.2.tgz#659277a758b036c305a7e4a13057c301cd3be73f"
+eslint-plugin-jsx-a11y@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-5.1.1.tgz#5c96bb5186ca14e94db1095ff59b3e2bd94069b1"
   dependencies:
     aria-query "^0.7.0"
     array-includes "^3.0.3"