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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-TAR-15032660

Author: snyk-io[bot]

plugins/jenkins-backend/package.json

@@ -25,14 +25,14 @@
   },
   "dependencies": {
     "@backstage/backend-common": "workspace:^",
-    "@backstage/catalog-client": "workspace:^",
+    "@backstage/catalog-client": "0.2.0",
     "@backstage/catalog-model": "workspace:^",
-    "@backstage/config": "workspace:^",
+    "@backstage/config": "0.1.1",
     "@backstage/errors": "workspace:^",
-    "@backstage/plugin-auth-node": "workspace:^",
+    "@backstage/plugin-auth-node": "0.1.0",
     "@backstage/plugin-jenkins-common": "workspace:^",
     "@backstage/plugin-permission-common": "workspace:^",
-    "@backstage/plugin-permission-node": "workspace:^",
+    "@backstage/plugin-permission-node": "0.1.0",
     "@types/express": "^4.17.6",
     "express": "^4.17.1",
     "express-promise-router": "^4.1.0",