Bump the npm_and_yarn group across 1 directory with 3 updates

Bumps the npm_and_yarn group with 3 updates in the /packages/backend directory: [@backstage/backend-defaults](https://github.com/backstage/backstage/tree/HEAD/packages/backend-defaults), [@backstage/plugin-auth-backend](https://github.com/backstage/backstage/tree/HEAD/plugins/auth-backend) and [@backstage/plugin-scaffolder-backend](https://github.com/backstage/backstage/tree/HEAD/plugins/scaffolder-backend).


Updates `@backstage/backend-defaults` from 0.5.3 to 0.16.0
- [Release notes](https://github.com/backstage/backstage/releases)
- [Changelog](https://github.com/backstage/backstage/blob/master/packages/backend-defaults/CHANGELOG.md)
- [Commits](https://github.com/backstage/backstage/commits/v0.16.0/packages/backend-defaults)

Updates `@backstage/plugin-auth-backend` from 0.24.5 to 0.27.2
- [Release notes](https://github.com/backstage/backstage/releases)
- [Changelog](https://github.com/backstage/backstage/blob/master/plugins/auth-backend/CHANGELOG.md)
- [Commits](https://github.com/backstage/backstage/commits/HEAD/plugins/auth-backend)

Updates `@backstage/plugin-scaffolder-backend` from 1.33.0 to 3.2.0
- [Release notes](https://github.com/backstage/backstage/releases)
- [Changelog](https://github.com/backstage/backstage/blob/master/plugins/scaffolder-backend/CHANGELOG.md)
- [Commits](https://github.com/backstage/backstage/commits/HEAD/plugins/scaffolder-backend)

---
updated-dependencies:
- dependency-name: "@backstage/backend-defaults"
  dependency-version: 0.16.0
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: "@backstage/plugin-auth-backend"
  dependency-version: 0.27.2
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: "@backstage/plugin-scaffolder-backend"
  dependency-version: 3.2.0
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/backend/package.json

@@ -16,14 +16,14 @@
   },
   "dependencies": {
     "@backstage/backend-common": "^0.25.0",
-    "@backstage/backend-defaults": "^0.5.3",
+    "@backstage/backend-defaults": "^0.16.0",
     "@backstage/backend-plugin-api": "^1.0.2",
     "@backstage/backend-tasks": "^0.5.14",
     "@backstage/catalog-client": "^1.8.0",
     "@backstage/catalog-model": "^1.7.1",
     "@backstage/config": "^1.3.0",
     "@backstage/plugin-app-backend": "^0.4.2",
-    "@backstage/plugin-auth-backend": "^0.24.0",
+    "@backstage/plugin-auth-backend": "^0.27.2",
     "@backstage/plugin-auth-backend-module-github-provider": "^0.2.2",
     "@backstage/plugin-auth-backend-module-google-provider": "^0.2.2",
     "@backstage/plugin-auth-node": "^0.5.4",
@@ -35,7 +35,7 @@
     "@backstage/plugin-permission-common": "^0.8.2",
     "@backstage/plugin-permission-node": "^0.8.5",
     "@backstage/plugin-proxy-backend": "^0.5.8",
-    "@backstage/plugin-scaffolder-backend": "^1.27.2",
+    "@backstage/plugin-scaffolder-backend": "^3.2.0",
     "@backstage/plugin-scaffolder-backend-module-github": "^0.5.5",
     "@backstage/plugin-scaffolder-backend-module-gitlab": "^0.7.1",
     "@backstage/plugin-search-backend": "^1.7.0",