Update eslint-plugin-jsx-a11y version (facebook#5330)

Author: AlmeroSteyn

package.json

@@ -40,7 +40,7 @@
     "eslint-loader": "2.1.1",
     "eslint-plugin-flowtype": "2.50.1",
     "eslint-plugin-import": "2.14.0",
-    "eslint-plugin-jsx-a11y": "6.1.1",
+    "eslint-plugin-jsx-a11y": "6.1.2",
     "eslint-plugin-react": "7.11.1",
     "file-loader": "2.0.0",
     "fs-extra": "7.0.0",