Sync package.json with production dependencies

Added missing dependencies that were installed on server but not in repo:
- axios: ^1.14.0
- connect-pg-simple: ^10.0.0
- date-fns: ^4.1.0

This caused deploy script to fail with MODULE_NOT_FOUND errors.

Chronicler #69

services/arbiter-3.0/package.json

@@ -8,10 +8,13 @@
     "dev": "node --watch src/index.js"
   },
   "dependencies": {
+    "axios": "^1.14.0",
     "body-parser": "^1.20.2",
+    "connect-pg-simple": "^10.0.0",
     "cookie-parser": "^1.4.7",
     "cors": "^2.8.6",
     "csurf": "^1.11.0",
+    "date-fns": "^4.1.0",
     "discord.js": "^14.14.1",
     "dotenv": "^16.4.5",
     "ejs": "^3.1.9",