fix(deps): update dependency nodemailer to v6.7.4 (#10540)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

install/package.json

@@ -99,7 +99,7 @@
         "nodebb-theme-slick": "1.4.23",
         "nodebb-theme-vanilla": "12.1.17",
         "nodebb-widget-essentials": "5.0.11",
-        "nodemailer": "6.7.3",
+        "nodemailer": "6.7.4",
         "nprogress": "0.2.0",
         "passport": "0.5.2",
         "passport-http-bearer": "1.0.1",