fix: plugins/tech-insights-backend/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ROLLUP-8073097

Author: snyk-io[bot]

plugins/tech-insights-backend/package.json

@@ -36,7 +36,7 @@
     "@backstage/backend-common": "workspace:^",
     "@backstage/backend-tasks": "workspace:^",
     "@backstage/catalog-client": "workspace:^",
-    "@backstage/catalog-model": "workspace:^",
+    "@backstage/catalog-model": "0.1.1",
     "@backstage/config": "workspace:^",
     "@backstage/errors": "workspace:^",
     "@backstage/plugin-tech-insights-common": "workspace:^",