fix: plugins/scaffolder-react/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-WEBPACK-15235959
- https://snyk.io/vuln/SNYK-JS-WEBPACK-15235969

Author: snyk-bot

plugins/scaffolder-react/package.json

@@ -53,7 +53,7 @@
     "@backstage/plugin-catalog-react": "workspace:^",
     "@backstage/plugin-scaffolder-common": "workspace:^",
     "@backstage/theme": "workspace:^",
-    "@backstage/types": "workspace:^",
+    "@backstage/types": "0.1.1",
     "@backstage/version-bridge": "workspace:^",
     "@material-ui/core": "^4.12.2",
     "@material-ui/icons": "^4.9.1",