fix: plugins/entity-validation/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
- https://snyk.io/vuln/SNYK-JS-QS-15268416

Author: snyk-bot

plugins/entity-validation/package.json

@@ -33,8 +33,8 @@
     "@backstage/core-plugin-api": "workspace:^",
     "@backstage/errors": "workspace:^",
     "@backstage/plugin-catalog-common": "workspace:^",
-    "@backstage/plugin-catalog-react": "workspace:^",
-    "@backstage/theme": "workspace:^",
+    "@backstage/plugin-catalog-react": "0.0.1",
+    "@backstage/theme": "0.1.1",
     "@codemirror/language": "^6.0.0",
     "@codemirror/legacy-modes": "^6.1.0",
     "@codemirror/view": "^6.0.0",