Update dependency MailKit to 4.8.0

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
MailKit (source)	`4.7.1.1` -> `4.8.0`

Release Notes

jstedfast/MailKit (MailKit)

### [`v4.8.0`](https://redirect.github.com/jstedfast/MailKit/blob/HEAD/ReleaseNotes.md#MailKit-480-2024-09-29) [Compare Source](https://redirect.github.com/jstedfast/MailKit/compare/4.7.1.1...4.8.0) - Added a UniqueIdRange.SortOrder property. - Updated the protocol log help link for ProtocolExceptions. (issue [#1800](https://redirect.github.com/jstedfast/MailKit/issues/1800)) - Fix SmtpClient.Dispose() when telemetry is configured. (issue [#1816](https://redirect.github.com/jstedfast/MailKit/issues/1816)) - Added ProxyClient.SystemProxy as a convenience property that wraps the default system proxy (aka HttpClient.DefaultProxy) on net6.0+.

Configuration

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orso-co / Orso.Arpa.Api

Update dependency MailKit to 4.8.0 #1011

Release Notes

Configuration

Quality Gate passed