Bump MimeKit from 2.15.1 to 3.3.0

[dependabot]

Bumps MimeKit from 2.15.1 to 3.3.0.

Changelog

Sourced from MimeKit's changelog.

MimeKit 3.3.0 (2022-06-11)

• Added Import() methods for X509Certificate2 for all S/MIME contexts. (issue #784)
• Handle S/MIME sha# as well as sha-# micalg names for improved interop. (issue #790)
• Fixed the MemoryBlockStream.Read() method to handle cases where the length of the stream is longer than int.MaxValue.
• Fixed TnefPart.ConvertToMessage() to promote lone multipart/mixed subparts to become the message body much like it used to work pre-v3.2.0. (issue #789)
• Reduced memory usage when using SecureMimeContext.Compress() and CompressAsync().
• Dropped support for net452 and net461 now that their life cycles have ended and are no longer supported by Microsoft. (issue #768)
• Added support for net462.

Special thanks to Fedir Klymenko for his improvements to MemoryBlockStream and SecureMimeContext.Compress!

MimeKit 3.2.0 (2022-03-26)

• Rewrote QuotedPrintableEncoder to more strictly fold at the specified line length. (issue #781)
• Change the default maxLineLength for quoted-printable/base64 encoders to 76 to match the recommendation in the specification (was previously 72).
• Use cached Task instances (e.g. Task.CompletedTask) when possible to improve performance.
• Make use of ReadOnlySpan<T> instead of String.Substring() wherever possible to improve performance.
• Reduced string allocations in other ways.
• Provide MailboxAddress accessors for LocalPart and Domain. (issue #766)
• Replaced support for .NET Framework v4.6 with 4.6.1 and added a System.Text.Encoding.CodePages dependency to solve various cases where MimeKit would fail to initialize properly on ASP.NET systems using net461 when system character encodings were not available.
• Fixed MessagePartial to use invariant culture when setting number/total param values.
• Make sure all int.TryParse() calls use the correct NumberStyles.
• Make use of a ValueStringBuilder to construct strings without needing to allocate a StringBuilder.
• Fixed InternetAddressList.TryParse() to fail on invalid input. (issue #762)
• Added dispose handling to MimeMessage.CreateFromMailMessage().
• Improved MIME structure returned by TnefPart.ConvertToMessage().
• Rewrote header folding logic to avoid string allocations.
• Implemented IEquatable<T> on TnefNameId.
• If iso-8859-1 isn't available, fall back to ASCII instead of Windows-1252. (issue #751)

Special Thanks to Jason Nelson for taking the lead on many of the listed (and unlisted) performance improvements and helping me make MimeKit even more awesome!

MimeKit 3.1.1 (2022-01-30)

• When initializing character encodings for netstandard and net50/net60, wrap the Reflection logic to invoke System.Text.Encoding.RegisterProvider() in a try/catch to prevents exceptions when

... (truncated)

Commits

• f1deb70 Bumped version to 3.3.0
• 4a70497 Bump Stub.System.Data.SQLite.Core.NetFramework from 1.0.115.5 to 1.0.116
• 01316a8 Bump System.Data.SQLite.Core from 1.0.115.5 to 1.0.116
• 1effef9 Compression: improve memory usage.
• c73a74e Dropped support for net452 and net461, replaced with net462
• 916e5bb Revert "Bump the dependency on System.Text.Encoding.CodePages from v4.5.1 to ...
• 3c04ff7 Modified TnefPart.ConvertToMessage() to promote lone multipart/mixed parts to...
• 1fac7d4 Simplify MemoryBlockStream fix
• c065daa Bump Microsoft.NET.Test.Sdk from 17.1.0 to 17.2.0
• 00d1632 Fix MemoryBlockStream.Read method.
• Additional commits viewable in compare view

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[dependabot]

Superseded by #114.