Bump nodemailer from 4.7.0 to 6.9.9 in /graphQL (deprecated)

Bumps [nodemailer](https://github.com/nodemailer/nodemailer) from 4.7.0 to 6.9.9.
- [Release notes](https://github.com/nodemailer/nodemailer/releases)
- [Changelog](https://github.com/nodemailer/nodemailer/blob/master/CHANGELOG.md)
- [Commits](nodemailer/nodemailer@v4.7.0...v6.9.9)

---
updated-dependencies:
- dependency-name: nodemailer
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

graphQL (deprecated)/package.json

@@ -23,7 +23,7 @@
     "graphql-tools": "^0.11.0",
     "lodash": "^4.17.21",
     "morgan": "^1.8.1",
-    "nodemailer": "^4.0.1",
+    "nodemailer": "^6.9.9",
     "passport": "^0.6.0",
     "passport-http": "^0.3.0",
     "passport-local": "^1.0.0"

graphQL (deprecated)/yarn.lock

@@ -2483,9 +2483,9 @@ node-notifier@^5.0.1:
     shellwords "^0.1.0"
     which "^1.2.12"
 
-nodemailer@^4.0.1:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-4.7.0.tgz#4420e06abfffd77d0618f184ea49047db84f4ad8"
+nodemailer@^6.9.9:
+  version "6.9.9"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.9.9.tgz#4549bfbf710cc6addec5064dd0f19874d24248d9"
 
 nodemon@^1.11.0:
   version "1.11.0"