packages/backend-common: move express and cors types to deps

packages/backend-common/package.json

@@ -29,6 +29,8 @@
     "clean": "backstage-cli clean"
   },
   "dependencies": {
+    "@types/cors": "^2.8.6",
+    "@types/express": "^4.17.6",
     "compression": "^1.7.4",
     "cors": "^2.8.5",
     "express": "^4.17.1",
@@ -40,8 +42,6 @@
   "devDependencies": {
     "@backstage/cli": "^0.1.1-alpha.8",
     "@types/compression": "^1.7.0",
-    "@types/cors": "^2.8.6",
-    "@types/express": "^4.17.6",
     "@types/http-errors": "^1.6.3",
     "@types/morgan": "^1.9.0",
     "@types/stoppable": "^1.1.0",