Bump polished from 3.4.2 to 3.4.3 (#168)

Bumps [polished](https://github.com/styled-components/polished) from 3.4.2 to 3.4.3.
- [Release notes](https://github.com/styled-components/polished/releases)
- [Commits](styled-components/polished@v3.4.2...v3.4.3)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package.json

@@ -31,7 +31,7 @@
     "isomorphic-unfetch": "^3.0.0",
     "js-base64": "^2.5.1",
     "next": "^9.1.7",
-    "polished": "^3.4.2",
+    "polished": "^3.4.3",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "styled-components": "^4.4.1",

yarn.lock

@@ -5768,10 +5768,10 @@ [email protected]:
   dependencies:
     ts-pnp "^1.1.2"
 
-polished@^3.4.2:
-  version "3.4.2"
-  resolved "https://registry.yarnpkg.com/polished/-/polished-3.4.2.tgz#b4780dad81d64df55615fbfc77acb52fd17d88cd"
-  integrity sha512-9Rch6iMZckABr6EFCLPZsxodeBpXMo9H4fRlfR/9VjMEyy5xpo1/WgXlJGgSjPyVhEZNycbW7UmYMNyWS5MI0g==
+polished@^3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/polished/-/polished-3.4.3.tgz#9b2580a3ead4ef2e030265c3eccbc06a2b68a049"
+  integrity sha512-EcA6RleHgFalVDZg5djztOyraWOkZcFSNwDCASkq6MZf68B+QlciKWRiNJn5sUDtwOLrk/xbqgvxoTfMjazvuw==
   dependencies:
     "@babel/runtime" "^7.6.3"