Bump MailKit from 4.4.0 to 4.5.0

[dependabot[bot]]

Bumps MailKit from 4.4.0 to 4.5.0.

Changelog

Sourced from MailKit's changelog.

MailKit 4.5.0 (2024-04-13)

• Added a new SmtpClient.RequireTLS property to fix sending mail via Strato.de. (issue #1737)
• Fixed SmtpClient to track the most recent response from the SMTP server in order to include it in SmtpProtocolExceptions caused by unexpected server disconnects to provide more context. (issue #1744)

Commits

• 42201d7 Bumped version to 4.5.0
• 31c8962 Minor improvements to an NTLM test
• 69e9b13 Bumped MimeKit to v4.5.0
• fccc040 Fixed SmtpClient RequireTls tests
• 5e66012 Updated SSL certificates
• e31ba53 Keep track of the last response so we can include the response text in "Unexp...
• 0bb9c61 Bump AltCover from 8.7.3 to 8.8.10 (#1743)
• b52cb11 Added a new SmtpClient.RequireTLS property
• 2b1c072 Improve ExchangeOAuth2 documentation
• 66b7c2e Bump AltCover from 8.6.125 to 8.7.3 (#1730)
• Additional commits viewable in compare view

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