fix: plugins/catalog-backend-module-aws/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-AJV-15274295

Author: snyk-io[bot]

plugins/catalog-backend-module-aws/package.json

@@ -61,7 +61,7 @@
     "@backstage/integration-aws-node": "workspace:^",
     "@backstage/plugin-catalog-common": "workspace:^",
     "@backstage/plugin-catalog-node": "workspace:^",
-    "@backstage/plugin-kubernetes-common": "workspace:^",
+    "@backstage/plugin-kubernetes-common": "0.2.8",
     "@backstage/types": "workspace:^",
     "lodash": "^4.17.21",
     "p-limit": "^3.0.2",