Bump MailKit from 3.4.1 to 4.2.0 in /Framework

[dependabot]

Bumps MailKit from 3.4.1 to 4.2.0.

Changelog

Sourced from MailKit's changelog.

MailKit 4.2.0 (2023-09-02)

• Fixed a bug where the HttpProxyClient and HttpsProxyClient could end up reading the mail server greeting, causing a connection failure for the ImapClient/Pop3Client/SmtpClient. (issue #1603)
• Parse IMAP quota values as ulongs instead of uints for GMail compatibility. (issue #1602)
• Added support for decoding SMTP DATA to the SmtpDataFilter. (issue #1607)
• Added a Pop3Client.Size property. (issue #1623)
• Refactored more ImapClient commands to split sync/async implementations in order to improve performance and reduce GC pressure. (issue #1335)
• Added new IMailFolder.GetStream() methods that just take a uid/index and a BodyPart.
• Added IMailFolder.GetStream/Async() methods that just take a uid or index.
• Improved initial List<IMessageSummary> capacity estimation for Fetch (IList<UniqueId>, ...).
• Fixed ByteArrayBuilder.TrimNewLine() to check array bounds properly. (issue #1634)

MailKit 4.1.0 (2023-06-17)

• Fixed queueing logic for pipelining SMTP and POP3 commands. (issue #1568)
• Improve SslHandshakeException diagnostic messages. (issue #1554)
• Bumped System.Formats.Asn1 dependency to 7.0.0.
• Bumped MimeKit dependency to 4.1.0.

MailKit 4.0.0 (2023-04-15)

• Marked the AccessRight and UniqueId structs as readonly.
• Fixed POP3 client logic to calculate the needed bytes before converting commands into into the output buffer.
• Ported to MimeKit v4.0 and BouncyCastle v2.1.1.

MailKit 3.6.0 (2023-03-04)

• Decrement ImapFolder.Count when ImapClient receives an untagged EXPUNGE notification and emit a CountChanged event. (issue #1509)
• Avoid using the NAMESPACE command for Exchange 2003. (issue #1512)
• Added support for rfc8970 (IMAP4 Extension: Message Preview Generation).

MailKit 3.5.0 (2023-01-27)

• Fixed bitmasking logic in SmtpClient.cs for deciding whether to use the BDAT command.
• Fixed HttpProxyClient to call GetConnectCommand() before connecting a socket to prevent memory leaks when connecting fails.
• Improved the IMAP BODYSTRUCTURE parser to better handle broken responses.
• Fixed bug in Envelope.Parse/TryParse when given (NIL NIL "" "localhost") (issue #1471)
• Fixed SMTP client logic to calculate the needed bytes before converting commands into into the output buffer.

... (truncated)

Commits

• e180477 bumped version to 4.2.0
• 988c22a Updated test.ps1
• cf29bff bumped MimeKit
• a73747d Filter out MimeKit from test coverage
• 7452e61 Update main.yml
• 91326cc Make the switch to AltCover
• 70d6482 Fixed ByteArrayBuilder.TrimNewLine() to check array bounds properly
• e84d570 Improved the ImapBodyPartExamples
• e659e62 bumped MimeKit dependency for a few optimizations
• a4d4437 fixed comments in ImapEngine.cs
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot]

The following labels could not be found: dependabot.