fix(deps): update dependency styled-components to v6

Author: renovate[bot]

core/package.json

@@ -44,7 +44,7 @@
     "@uiw/react-codemirror": "^4.19.16",
     "dom-to-image-more": "^3.1.1",
     "react-keywords": "^1.0.0",
-    "styled-components": "^5.3.5"
+    "styled-components": "^6.0.0"
   },
   "devDependencies": {
     "@babel/runtime": "^7.18.9",

website/package.json

@@ -16,7 +16,7 @@
     "@wcj/dark-mode": "^1.0.15",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "styled-components": "^5.3.5"
+    "styled-components": "^6.0.0"
   },
   "devDependencies": {
     "@kkt/less-modules": "^7.2.0",