chore(deps): upgrade nodemailer from v7 to v8.0.2

Upgrade nodemailer to v8 as recommended in review. The only breaking
change in v8 is the error code rename from 'NoAuth' to 'ENOAUTH',
which does not affect our codebase.

Author: cursoragent

packages/platform/email-transport/package.json

@@ -17,7 +17,7 @@
     "@domain/email": "workspace:*",
     "@platform/env": "workspace:*",
     "effect": "catalog:",
-    "nodemailer": "^7.0.11"
+    "nodemailer": "^8.0.2"
   },
   "devDependencies": {
     "@types/nodemailer": "^6.4.0"