Update dependency styled-system to v3.0.3

Author: renovate-bot

package.json

@@ -86,7 +86,7 @@
     "react-event-timeline": "1.5.4",
     "react-headroom": "2.2.2",
     "react-icons": "2.2.7",
-    "styled-system": "3.0.2"
+    "styled-system": "3.0.3"
   },
   "devDependencies": {
     "all-contributors-cli": "5.4.0",

yarn.lock

@@ -7608,7 +7608,13 @@ [email protected]:
     stylis "3.4.10"
     stylis-rule-sheet "0.0.8"
 
-[email protected], styled-system@^3.0.1:
+[email protected]:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/styled-system/-/styled-system-3.0.3.tgz#8ca3938fa382564e059f181d37d563b753cc9f41"
+  dependencies:
+    prop-types "^15.6.2"
+
+styled-system@^3.0.1:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/styled-system/-/styled-system-3.0.2.tgz#2189a6d829117d212fb6ac8ebc4260fdb75d1109"
   dependencies: