Upgrade rjsf to 3.0.0

[Release notes](https://github.com/rjsf-team/react-jsonschema-form/releases/tag/v3.0.0)

Resolves #5833

Signed-off-by: Oliver Sand <oliver.sand@sda-se.com>

plugins/scaffolder/package.json

@@ -43,8 +43,8 @@
     "@material-ui/core": "^4.11.0",
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "4.0.0-alpha.45",
-    "@rjsf/core": "^2.4.0",
-    "@rjsf/material-ui": "^2.4.0",
+    "@rjsf/core": "^3.0.0",
+    "@rjsf/material-ui": "^3.0.0",
     "@types/react": "^16.9",
     "classnames": "^2.2.6",
     "git-url-parse": "^11.4.4",