build(deps-dev): bump greenmail.version from 2.0.0-alpha-3 to 2.0.0

Bumps `greenmail.version` from 2.0.0-alpha-3 to 2.0.0.

Updates `greenmail-junit4` from 2.0.0-alpha-3 to 2.0.0
- [Release notes](https://github.com/greenmail-mail-test/greenmail/releases)
- [Commits](greenmail-mail-test/greenmail@release-2.0.0-alpha-3...release-2.0.0)

Updates `greenmail` from 2.0.0-alpha-3 to 2.0.0
- [Release notes](https://github.com/greenmail-mail-test/greenmail/releases)
- [Commits](greenmail-mail-test/greenmail@release-2.0.0-alpha-3...release-2.0.0)

---
updated-dependencies:
- dependency-name: com.icegreen:greenmail-junit4
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: com.icegreen:greenmail
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

extensions/modules/mail/pom.xml

@@ -48,7 +48,7 @@
     <properties>
         <jakarta.activation.version>2.0.1</jakarta.activation.version>
         <jakarta.mail.version>2.0.1</jakarta.mail.version>
-        <greenmail.version>2.0.0-alpha-3</greenmail.version>
+        <greenmail.version>2.0.0</greenmail.version>
     </properties>
 
     <dependencies>