fix: packages/dev-utils/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-WEBPACKDEVSERVER-10300775
- https://snyk.io/vuln/SNYK-JS-TARFS-10293725
- https://snyk.io/vuln/SNYK-JS-WEBPACKDEVSERVER-10300777

Author: snyk-io[bot]

packages/dev-utils/package.json

@@ -35,10 +35,10 @@
     "@backstage/app-defaults": "workspace:^",
     "@backstage/catalog-model": "workspace:^",
     "@backstage/core-app-api": "workspace:^",
-    "@backstage/core-components": "workspace:^",
+    "@backstage/core-components": "0.1.0",
     "@backstage/core-plugin-api": "workspace:^",
-    "@backstage/integration-react": "workspace:^",
-    "@backstage/plugin-catalog-react": "workspace:^",
+    "@backstage/integration-react": "0.1.1",
+    "@backstage/plugin-catalog-react": "0.0.1",
     "@backstage/test-utils": "workspace:^",
     "@backstage/theme": "workspace:^",
     "@material-ui/core": "^4.12.2",