chore(deps): update dependency babel-plugin-styled-components to v2

| datasource | package                        | from   | to    |
| ---------- | ------------------------------ | ------ | ----- |
| npm        | babel-plugin-styled-components | 1.13.3 | 2.0.6 |

Author: renovate-bot

package.json

@@ -26,7 +26,7 @@
     "@types/react-dom": "16.9.14",
     "babel-loader": "8.2.3",
     "babel-plugin-istanbul": "5.2.0",
-    "babel-plugin-styled-components": "1.13.3",
+    "babel-plugin-styled-components": "2.0.6",
     "concurrently": "5.3.0",
     "cypress": "3.8.3",
     "html-webpack-plugin": "3.2.0",