build(deps): bump com.icegreen:greenmail from 1.6.14 to 2.0.0 (#2227)

Bumps [com.icegreen:greenmail](https://github.com/greenmail-mail-test/greenmail) from 1.6.14 to 2.0.0.
- [Release notes](https://github.com/greenmail-mail-test/greenmail/releases)
- [Commits](greenmail-mail-test/greenmail@release-1.6.14...release-2.0.0)

---
updated-dependencies:
- dependency-name: com.icegreen:greenmail
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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dependencies.gradle

@@ -39,7 +39,7 @@ libraries.commonsIo = "commons-io:commons-io:2.11.0"
 libraries.dumbster = "dumbster:dumbster:1.6"
 libraries.eclipseJgit = "org.eclipse.jgit:org.eclipse.jgit:6.5.0.202303070854-r"
 libraries.flywayCore = "org.flywaydb:flyway-core"
-libraries.greenmail = "com.icegreen:greenmail:1.6.14"
+libraries.greenmail = "com.icegreen:greenmail:2.0.0"
 libraries.googleAuth = "com.warrenstrange:googleauth:1.5.0"
 libraries.guava = "com.google.guava:guava:${versions.guavaVersion}"
 libraries.guavaTestLib = "com.google.guava:guava-testlib:${versions.guavaVersion}"