fix: plugins/scaffolder-node/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/scaffolder-node/package.json

@@ -24,10 +24,10 @@
     "postpack": "backstage-cli package postpack"
   },
   "dependencies": {
-    "@backstage/backend-plugin-api": "workspace:^",
-    "@backstage/catalog-model": "workspace:^",
-    "@backstage/plugin-scaffolder-common": "workspace:^",
-    "@backstage/types": "workspace:^",
+    "@backstage/backend-plugin-api": "0.6.19",
+    "@backstage/catalog-model": "0.1.1",
+    "@backstage/plugin-scaffolder-common": "0.1.0",
+    "@backstage/types": "0.1.1",
     "jsonschema": "^1.2.6",
     "winston": "^3.2.1",
     "zod": "^3.21.4",