Merge pull request #2561 from adaptlearning/dependabot/npm_and_yarn/nodemailer-6.4.16

Bump nodemailer from 6.4.2 to 6.4.16

Author: taylortom

package-lock.json

@@ -67,7 +67,7 @@
     "multer": "^1.4.2",
     "needle": "^2.4.0",
     "node-polyglot": "^2.4.0",
-    "nodemailer": "^6.3.0",
+    "nodemailer": "^6.4.16",
     "optimist": "^0.6.1",
     "passport": "^0.4.0",
     "request": "^2.88.0",