Update Microsoft

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
Microsoft.Kiota.Abstractions (source)	1.20.1 -> 1.21.1
Microsoft.Kiota.Http.HttpClientLibrary (source)	1.20.1 -> 1.21.1
Microsoft.Kiota.Serialization.Form (source)	1.20.1 -> 1.21.1
Microsoft.Kiota.Serialization.Json (source)	1.20.1 -> 1.21.1
Microsoft.Kiota.Serialization.Multipart (source)	1.20.1 -> 1.21.1
Microsoft.Kiota.Serialization.Text (source)	1.20.1 -> 1.21.1
microsoft.openapi.kiota	1.28.0 -> 1.29.0

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Release Notes

microsoft/kiota-dotnet (Microsoft.Kiota.Abstractions)

v1.21.1

Bug Fixes

• tooling: ensure latest azure-core dependency is used (#​598) (ae21549)

Miscellaneous Chores

• release 1.21.1 (f971ffc)

v1.21.0

Features

• Add SetContentFromEnumCollection method to RequestInformation class (d970e8e)

Bug Fixes

• Restore constructor backwards compatibility on old .NET versions. (ce59749)
• Restore constructor compatibility consuming a downlevel library on .NET 5+. (36c543e)
• Restore HttpClientRequestAdapter constructor compatibility between .NET 5+ and .NET Standard/Framework (08edbad)

microsoft/kiota (microsoft.openapi.kiota)

v1.29.0

Compare Source

Added

• Added support for new properties in OpenApiAiAdaptiveCardExtension: subtitle, thumbnailUrl, and informationProtectionLabel to align with the updated CardResponseSemanticProperties interface. #​6934

Changed

• Fixed a bug where API plugins were incorrectly generating conversation starters in their manifests. #​6946
• Fixed a bug where Java code generation fails due to creation of an invalid object property name derived from the '@​' symbol. #​6688
• Fixes a bug where invalid C# code is generated when API path contains an underscore #​6698
• Fixed a bug where union of integer and boolean types collection would not compile in dotnet. #​6834
• Updated generated plugin manifest version from 2.1 to 2.3. #​6989

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