[Snyk] Upgrade nodemailer from 6.6.2 to 6.9.9

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to upgrade nodemailer from 6.6.2 to 6.9.9.

As this is a private repository, Snyk-bot does not have access. Therefore, this PR has been created automatically, but appears to have been created by a real user.
:sparkles: Snyk has automatically assigned this pull request, [set who gets assigned](https://app.snyk.io/org/vishwas1/project/2720c8e6-f642-42c7-953d-4401e8d2c85f/settings/integration?utm_source=github&utm_medium=referral&page=upgrade-pr/settings/integration). :information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

- The recommended version is **23 versions** ahead of your current version. - The recommended version was released **22 days ago**, on 2024-02-01. The recommended version fixes: Severity | Issue | PriorityScore (*) | Exploit Maturity | :-------------------------:|:-------------------------|-------------------------|:-------------------------

| Regular Expression Denial of Service (ReDoS)
[SNYK-JS-NODEMAILER-6219989](https://snyk.io/vuln/SNYK-JS-NODEMAILER-6219989) | **658/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 5.3 | Proof of Concept (*) Note that the real score may have changed since the PR was raised.

Release notes

Package name: nodemailer

6.9.9 - 2024-02-01
6.9.9 (2024-02-01)

Bug Fixes
- security: Fix issues described in GHSA-9h6g-pr28-7cqp. Do not use eternal matching pattern if only a few occurences are expected (dd8f5e8)
- tests: Use native node test runner, added code coverage support, removed grunt (#1604) (be45c1b)
6.9.8 - 2023-12-30
6.9.8 (2023-12-30)

Bug Fixes
- punycode: do not use native punycode module (b4d0e0c)
6.9.7 - 2023-10-22
6.9.7 (2023-10-22)

Bug Fixes
- customAuth: Do not require user and pass to be set for custom authentication schemes (fixes #1584) (41d482c)
6.9.6 - 2023-10-09
6.9.6 (2023-10-09)

Bug Fixes
- inline: Use 'inline' as the default Content Dispostion value for embedded images (db32c93)
- tests: Removed Node v12 from test matrix as it is not compatible with the test framework anymore (7fe0a60)
6.9.5 - 2023-09-06
6.9.5 (2023-09-06)

Bug Fixes
- license: Updated license year (da4744e)

6.9.4 - 2023-07-19

v6.9.4

  </li>
  <li>
    <b>6.9.3</b> - <a href="https://snyk.io/redirect/github/nodemailer/nodemailer/releases/tag/v6.9.3">2023-05-29</a></br><p>v6.9.3</p>
  </li>
  <li>
    <b>6.9.2</b> - <a href="https://snyk.io/redirect/github/nodemailer/nodemailer/releases/tag/v6.9.2">2023-05-11</a></br><p>v6.9.2</p>
  </li>
  <li>
    <b>6.9.1</b> - <a href="https://snyk.io/redirect/github/nodemailer/nodemailer/releases/tag/v6.9.1">2023-01-27</a></br><p>v6.9.1</p>
  </li>
  <li>
    <b>6.9.0</b> - <a href="https://snyk.io/redirect/github/nodemailer/nodemailer/releases/tag/v6.9.0">2023-01-12</a></br><p>v6.9.0</p>
  </li>
  <li>
    <b>6.8.0</b> - 2022-09-28
  </li>
  <li>
    <b>6.7.8</b> - 2022-08-11
  </li>
  <li>
    <b>6.7.7</b> - 2022-07-06
  </li>
  <li>
    <b>6.7.6</b> - 2022-06-30
  </li>
  <li>
    <b>6.7.5</b> - 2022-05-04
  </li>
  <li>
    <b>6.7.4</b> - 2022-04-28
  </li>
  <li>
    <b>6.7.3</b> - 2022-03-21
  </li>
  <li>
    <b>6.7.2</b> - 2021-11-26
  </li>
  <li>
    <b>6.7.1</b> - 2021-11-15
  </li>
  <li>
    <b>6.7.0</b> - 2021-10-11
  </li>
  <li>
    <b>6.6.5</b> - 2021-09-23
  </li>
  <li>
    <b>6.6.4</b> - 2021-09-23
  </li>
  <li>
    <b>6.6.3</b> - 2021-07-14
  </li>
  <li>
    <b>6.6.2</b> - 2021-06-18
  </li>
</ul>
from <a href="https://snyk.io/redirect/github/nodemailer/nodemailer/releases">nodemailer GitHub release notes</a>

Commit messages

Package name: nodemailer

5a2e10f chore(master): release 6.9.9 [skip-ci] (#1606)
dd8f5e8 fix(security): Fix issues described in GHSA-9h6g-pr28-7cqp. Do not use eternal matching pattern if only a few occurences are expected
2c2b46a chore: do not use caret in version specifier
be45c1b fix(tests): Use native node test runner, added code coverage support, removed grunt (#1604)
4233f6f chore(master): release 6.9.8 [skip-ci] (#1605)
09d502f chore: removed double file
b4d0e0c fix(punycode): do not use native punycode module
8376c02 Test new github notice syntax for README
bc46a3b Updated stale github action
78bdaf8 chore: remove redundant AWS SDK for JavaScript v2 (#1593)
971ced7 chore: add mailcatch.app to well-known/services.json (#1586)
879e562 chore(master): release 6.9.7 [skip-ci] (#1585)
140e3b0 Merge branch 'master' of github.com:nodemailer/nodemailer
41d482c fix(customAuth): Do not require user and pass to be set for custom authentication schemes (fixes #1584)
20e9fe0 update - `services.json` - add SES SMTP endpoints for the AP region (#1580)
9da77b6 chore(master): release 6.9.6 [skip-ci] (#1578)
7fe0a60 fix(tests): Removed Node v12 from test matrix as it is not compatible with the test framework anymore
db32c93 fix(inline): Use 'inline' as the default Content Dispostion value for embedded images
fdc7c27 chore(master): release 6.9.5 [skip-ci] (#1573)
da4744e fix(license): Updated license year
13672b2 Removed legacy files (#1571)
afd2287 Added release workflow to publish npm packages from Github
1ae83a2 Update services.json
286dc28 v6.9.4