chore: fix eslint version

// https://github.com/airbnb/javascript/tree/master/packages/eslint-config-airbnb

(
  export PKG=eslint-config-airbnb;
  npm info "$PKG@latest" peerDependencies --json | command sed 's/[\{\},]//g ; s/: /@/g' | xargs npm install --save-dev "$PKG@latest"
)

package.json

@@ -36,13 +36,13 @@
     "css-loader": "^0.26.0",
     "dotenv": "^2.0.0",
     "enzyme": "^2.6.0",
-    "eslint": "^3.10.2",
+    "eslint": "^3.11.1",
     "eslint-config-airbnb": "^13.0.0",
     "eslint-loader": "^1.6.1",
     "eslint-plugin-babel": "^4.0.0",
     "eslint-plugin-flowtype": "^2.25.0",
     "eslint-plugin-import": "^2.2.0",
-    "eslint-plugin-jsx-a11y": "^3.0.1",
+    "eslint-plugin-jsx-a11y": "^2.2.3",
     "eslint-plugin-react": "^6.7.1",
     "flow-bin": "^0.35.0",
     "flow-status-webpack-plugin": "^0.1.7",

yarn.lock

@@ -2013,9 +2013,9 @@ eslint-plugin-import@^2.2.0:
     minimatch "^3.0.3"
     pkg-up "^1.0.0"
 
-eslint-plugin-jsx-a11y@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-3.0.1.tgz#38f22742a5752a8e72db693d7cd86e13a357da25"
+eslint-plugin-jsx-a11y@^2.2.3:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-2.2.3.tgz#4e35cb71b8a7db702ac415c806eb8e8d9ea6c65d"
   dependencies:
     damerau-levenshtein "^1.0.0"
     jsx-ast-utils "^1.0.0"
@@ -2028,9 +2028,9 @@ eslint-plugin-react@^6.7.1:
     doctrine "^1.2.2"
     jsx-ast-utils "^1.3.3"
 
-eslint@^3.10.2:
-  version "3.10.2"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.10.2.tgz#c9a10e8bf6e9d65651204778c503341f1eac3ce7"
+eslint@^3.11.1:
+  version "3.11.1"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.11.1.tgz#408be581041385cba947cd8d1cd2227782b55dbf"
   dependencies:
     babel-code-frame "^6.16.0"
     chalk "^1.1.3"