Bump greenmail-junit5 from 1.6.2 to 1.6.3
Bump greenmail-junit5 from 1.6.2 to 1.6.3

Bumps [greenmail-junit5](https://github.com/greenmail-mail-test/greenmail) from 1.6.2 to 1.6.3.
- [Release notes](https://github.com/greenmail-mail-test/greenmail/releases)
- [Commits](https://github.com/greenmail-mail-test/greenmail/compare/release-1.6.2...release-1.6.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
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