fix(deps): update dependency discord.js to v14.22.1

Author: renovate[bot]

package.json

@@ -26,7 +26,7 @@
     "@tryghost/admin-api": "1.14.0",
     "deepl-node": "1.19.0",
     "diff": "7.0.0",
-    "discord.js": "14.19.3",
+    "discord.js": "14.22.1",
     "dotenv": "16.6.1",
     "fastify": "5.5.0",
     "graphql-request": "7.2.0",