fix(deps): update dependency styled-components to v6.3.1

Author: renovate[bot]

package.json

@@ -57,7 +57,7 @@
     "react-email-editor": "1.7.11",
     "react-modal": "^3.16.3",
     "style-loader": "4.0.0",
-    "styled-components": "6.1.19",
+    "styled-components": "6.3.1",
     "ts-loader": "9.5.2",
     "typescript": "5.5.4",
     "webpack": "5.99.5",