Merge pull request #24643 from backstage/freben/proxy-auth

proxy-backend: require auth by default

plugins/proxy-backend/package.json

@@ -52,6 +52,7 @@
     "@backstage/backend-common": "workspace:^",
     "@backstage/backend-plugin-api": "workspace:^",
     "@backstage/config": "workspace:^",
+    "@backstage/types": "workspace:^",
     "@types/express": "^4.17.6",
     "express": "^4.17.1",
     "express-promise-router": "^4.1.0",
@@ -64,14 +65,18 @@
     "yup": "^1.0.0"
   },
   "devDependencies": {
+    "@backstage/backend-defaults": "workspace:^",
     "@backstage/backend-test-utils": "workspace:^",
     "@backstage/cli": "workspace:^",
     "@backstage/config-loader": "workspace:^",
+    "@backstage/errors": "workspace:^",
     "@types/http-proxy-middleware": "^1.0.0",
     "@types/supertest": "^2.0.8",
     "@types/uuid": "^9.0.0",
     "@types/yup": "^0.32.0",
     "msw": "^1.0.0",
+    "node-fetch": "^2.6.7",
+    "portfinder": "^1.0.32",
     "supertest": "^6.1.3"
   },
   "configSchema": "config.d.ts"