[Snyk] Security upgrade nodemailer from 4.0.1 to 6.6.1

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • package.json
  • package-lock.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	708/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 6.3	HTTP Header Injection SNYK-JS-NODEMAILER-1296415	Yes	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: nodemailer

The new version differs by 188 commits.

• 7e02648 v6.6.1
• 1750c0f v6.6.0
• 0636d58 Merge branch 'master' of github.com:nodemailer/nodemailer
• 058d414 v6.6.0
• fcb0d1f test: 💍 aws ses SDK v3 support
• 2ef39e3 test: 💍 aws ses connection verification
• 6107585 fix: 🐛 ses verify, add support for v3 API
• bf57cf5 Fixes resolveContent with streams overriding data
• 91108d7 v6.5.0
• 87d9b25 Pass through textEncoding to subnodes.
• 271f91b Update index.js
• 9b5fb94 v6.4.18
• 625a9ed Update README.md
• 1d24d8b docs: added rudimentary sponsor quote block
• a455716 Added OhMySMTP to services
• 6e045d1 v6.4.17
• ba31c64 v6.4.16
• 7e7b2b2 v6.4.15
• fca2041 Update CHANGELOG.md
• b4ccfa3 Oups
• 24b93bf Add ethereal.email to well-known/services.json
• 0f132fa doc: make the code a little more accessible with some code comments.
• 1815bad v6.4.14
• dd26ddd v6.4.13

See the full diff

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