fix(deps): update dependency netlify-cms-ui-default to ^2.13.4

Author: renovate-bot

package.json

@@ -33,7 +33,7 @@
   "dependencies": {
     "@emotion/core": "^10.0.35",
     "@emotion/styled": "^10.0.27",
-    "netlify-cms-ui-default": "^2.13.3",
+    "netlify-cms-ui-default": "^2.13.4",
     "react": "^16.8.4",
     "react-dom": "^16.8.4",
     "react-select": "^3.1.0",

yarn.lock

@@ -5513,10 +5513,10 @@ neo-async@^2.6.2:
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
   integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==
 
-netlify-cms-ui-default@^2.13.3:
-  version "2.13.3"
-  resolved "https://registry.yarnpkg.com/netlify-cms-ui-default/-/netlify-cms-ui-default-2.13.3.tgz#f8d22ba9341514c74b127788500df6b273eeec38"
-  integrity sha512-vQaNTlPoGHtzlGiTnFNkc0uxQWlBsy2NMJOfebSlgBcyeeGqQYLiAlnnVniMQMKZlWb9kUrBqxoMoiLIl6HEdg==
+netlify-cms-ui-default@^2.13.4:
+  version "2.13.4"
+  resolved "https://registry.yarnpkg.com/netlify-cms-ui-default/-/netlify-cms-ui-default-2.13.4.tgz#3f975dd1ede21737d4de6c6d4262d34b26948529"
+  integrity sha512-CD1yjgAwLQ8H7ZlCskKxowH55hzc+9qwc4Zd0Zy0CBYpo4wIUnN+ZJymO4R21IBgitbG2feCwmVOq+zmmvokTg==
   dependencies:
     react-aria-menubutton "^7.0.0"
     react-toggled "^1.1.2"