Update dependency @types/nodemailer to v7

Author: renovate[bot]

app/package.json

@@ -46,7 +46,7 @@
     "@tanstack/router-plugin": "^1.121.3",
     "@types/d3": "7.4.3",
     "@types/node": "24.10.13",
-    "@types/nodemailer": "^6.4.17",
+    "@types/nodemailer": "^7.0.0",
     "@types/react": "19.2.14",
     "@types/react-dom": "19.2.3",
     "@types/react-transition-group": "4.4.12",