Bump Microsoft.OpenApi and Microsoft.OpenApi.YamlReader

[dependabot]

Updated Microsoft.OpenApi from 3.8.0 to 3.9.0.

Release notes

Sourced from Microsoft.OpenApi's releases.

3.9.0

3.9.0 (2026-07-15)

Features

• adds support for anchor and id external resolution (1591007)
• schema: resolve bare $dynamicRef via $dynamicAnchor index (#​2913) (eacc2fc)
• support relative URI resolution in $dynamicRef (#​2928) (#​2945) (821053b)

Bug Fixes

• adds explicit error message for invalid json pointers (63fc55d)
• adds explicit error message for invalid json pointers (bc93efe)
• default mapping is not being serialized with the correct shape (fe4a25f)
• differentiate unset value from null value in OpenApiSchema.Const (#​2936) (07b525f)
• handle nullability more accurately during serialization for 3.0/2.0 (#​2933) (0ace243)
• validate required properties of security scheme before serialization (#​2952) (f31b192)

Commits viewable in compare view.

Updated Microsoft.OpenApi.YamlReader from 3.8.0 to 3.9.0.

Release notes

Sourced from Microsoft.OpenApi.YamlReader's releases.

3.9.0

3.9.0 (2026-07-15)

Features

• adds support for anchor and id external resolution (1591007)
• schema: resolve bare $dynamicRef via $dynamicAnchor index (#​2913) (eacc2fc)
• support relative URI resolution in $dynamicRef (#​2928) (#​2945) (821053b)

Bug Fixes

• adds explicit error message for invalid json pointers (63fc55d)
• adds explicit error message for invalid json pointers (bc93efe)
• default mapping is not being serialized with the correct shape (fe4a25f)
• differentiate unset value from null value in OpenApiSchema.Const (#​2936) (07b525f)
• handle nullability more accurately during serialization for 3.0/2.0 (#​2933) (0ace243)
• validate required properties of security scheme before serialization (#​2952) (f31b192)

Commits viewable in compare view.

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[github-code-quality]

Code Coverage Overview

Languages: C#

C# / code-coverage/dotnet

The overall coverage in the dependabot/nuget/src... branch is 72%. Coverage data for the main branch is not yet available.

Show a code coverage summary of the most covered files.

File	main	dependabot/nuget/src... 53a8dc0	+/-
/home/runner/wo...guageRefiner.cs	—	98%	—
/home/runner/wo...criptRefiner.cs	—	98%	—
/home/runner/wo...MethodWriter.cs	—	97%	—
/home/runner/wo...MethodWriter.cs	—	96%	—
/home/runner/wo...MethodWriter.cs	—	96%	—
/home/runner/wo...MethodWriter.cs	—	95%	—
/home/runner/wo...rs/GoRefiner.cs	—	93%	—
/home/runner/wo...KiotaBuilder.cs	—	90%	—
/home/runner/wo...ationService.cs	—	89%	—
/home/runner/wo...xGenerator.g.cs	—	75%	—

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