fix(deps): update dependency polished to ^3.4.4

Author: renovate-bot

package-lock.json

@@ -25,7 +25,7 @@
     "gatsby-source-filesystem": "^2.1.32",
     "lodash": "^4.17.15",
     "mdx-utils": "^0.2.0",
-    "polished": "^3.4.1",
+    "polished": "^3.4.4",
     "prism-react-renderer": "^0.2.0",
     "prop-types": "^15.7.2",
     "react": "^16.10.2",

package.json

@@ -10926,12 +10926,12 @@ pnp-webpack-plugin@^1.5.0:
   dependencies:
     ts-pnp "^1.1.2"
 
-polished@^3.4.1:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/polished/-/polished-3.4.1.tgz#1eb5597ec1792206365635811d465751f5cbf71c"
-  integrity sha512-GflTnlP5rrpDoigjczEkS6Ye7NDA4sFvAnlr5hSDrEvjiVj97Xzev3hZlLi3UB27fpxyTS9rWU64VzVLWkG+mg==
+polished@^3.4.4:
+  version "3.4.4"
+  resolved "https://registry.yarnpkg.com/polished/-/polished-3.4.4.tgz#ac8cd6e704887398f3b802718f9d389b9ea4307b"
+  integrity sha512-x9PKeExyI9AhWrJP3Q57I1k7GInujjiVBJMPFmycj9hX1yCOo/X9eu9eZwxgOziiXge3WbFQ5XOmkzunOntBSA==
   dependencies:
-    "@babel/runtime" "^7.4.5"
+    "@babel/runtime" "^7.6.3"
 
 portfinder@^1.0.24:
   version "1.0.24"