fix(deps): update dependency express to v5

Author: renovate-bot

discord-activity-starter/package.json

@@ -11,7 +11,7 @@
   "author": "Discord",
   "license": "MIT",
   "dependencies": {
-    "express": "^4.19.2"
+    "express": "^5.0.0"
   },
   "devDependencies": {
     "@types/express": "^5.0.0",

nested-messages/package.json

@@ -15,7 +15,7 @@
     "dotenv": "^16.0.3",
     "esbuild": "^0.25.0",
     "eventemitter3": "^5.0.0",
-    "express": "^4.19.2",
+    "express": "^5.0.0",
     "uuid": "^11.0.0"
   },
   "devDependencies": {