[Snyk] Security upgrade mailparser from 3.0.1 to 3.3.0

[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
	636/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 6.3	HTTP Header Injection SNYK-JS-NODEMAILER-1296415	No	Proof of Concept

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

Commit messages

Package name: mailparser

The new version differs by 9 commits.

• 6de6758 v3.3.0
• 86ad6e9 Update package.json nodemailer to remove vulnerability
• ebe460b Update package.json
• d755b4b v3.2.0
• f30f997 [feat] Set attachment checksum algo in mailparser options
• e679db5 v3.1.0
• 8ef1490 cleanup subject line
• 943d668 Add test for delivery-status messages
• a80fcbf updated README

See the full diff

Check the changes in this PR to ensure they won't cause issues with your project.

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