build(deps-dev): bump mailparser from 3.9.0 to 3.9.3 in /appium (#2726)

Bumps [mailparser](https://github.com/nodemailer/mailparser) from 3.9.0 to 3.9.3.
- [Release notes](https://github.com/nodemailer/mailparser/releases)
- [Changelog](https://github.com/nodemailer/mailparser/blob/master/CHANGELOG.md)
- [Commits](nodemailer/mailparser@v3.9.0...v3.9.3)

---
updated-dependencies:
- dependency-name: mailparser
  dependency-version: 3.9.3
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

appium/package-lock.json

@@ -37,7 +37,7 @@
     "appium": "^3.2.0",
     "appium-xcuitest-driver": "^10.0.4",
     "dotenv": "^16.4.1",
-    "mailparser": "^3.9.0",
+    "mailparser": "^3.9.3",
     "moment": "^2.29.1",
     "node-forge": "1.3.2",
     "node-gyp": "^11.0.0",