Update dependency gatsby-plugin-emotion to v4.2.3

package.json

@@ -77,7 +77,7 @@
     "@types/testing-library__react-hooks": "3.2.0",
     "docz": "2.3.1",
     "emotion-theming": "10.0.27",
-    "gatsby-plugin-emotion": "4.2.2",
+    "gatsby-plugin-emotion": "4.2.3",
     "jest": "25.4.0",
     "react": "16.13.1",
     "react-dom": "16.13.1",

yarn.lock

@@ -8156,10 +8156,10 @@ gatsby-plugin-compile-es6-packages@^2.0.0:
     "@babel/runtime" "^7.0.0"
     regex-escape "^3.4.8"
 
-[email protected].2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-emotion/-/gatsby-plugin-emotion-4.2.2.tgz#f2bc8665c6b24ca87ded883bbd91abbc436226d2"
-  integrity sha512-EbMmHRUi0q1C3XzXuQ4rUJt4L2kdJsd419iyXVniV9y8V82V5PFrr/FFMeo4ibCO3KxWqCELlpAvstW/Hkjy+w==
+[email protected].3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-emotion/-/gatsby-plugin-emotion-4.2.3.tgz#7b0f8c40c428b3926699699c1bce606117c53ace"
+  integrity sha512-RXkfO5kciogZrpF4/jyQwDcF4g2qdh9qDuagRMdRse887MVqKb+VG+x0KRx+0cg7cGiyg8xOfbTplBB+E0Z88A==
   dependencies:
     "@babel/runtime" "^7.8.7"
     "@emotion/babel-preset-css-prop" "^10.0.27"