Bump jakarta.mail from 1.6.5 to 1.6.6

Bumps [jakarta.mail](https://github.com/eclipse-ee4j/mail) from 1.6.5 to 1.6.6.
- [Release notes](https://github.com/eclipse-ee4j/mail/releases)
- [Commits](https://github.com/eclipse-ee4j/mail/compare/1.6.5...1.6.6)

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