chore(main): release 3.8.0

[release-please-token-provider]

🤖 I have created a release beep boop

3.8.0 (2026-07-03)

Features

• add JsonConverter for OpenApiSchema System.Text.Json serialization (#2915) (2f8b3d2)
• library: support schema keywords on references (434b2f8)
• library: support schema keywords on references (66a9d04), closes #2903

Bug Fixes

• Don't silently skip null assignment to OpenApiDocument.Tags (3764142)
• handling of nullable enums for 3.0 (#2920) (beb68f5)
• library: keep v3 schema references ref-only (c938727)
• preserve JSON Schema 2020-12 keyword siblings on $ref schemas for OAS 3.1+ (#2896) (08160c8)
• use async method for crypto flush (6e675d9)

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This PR was generated with Release Please. See documentation.

[github-code-quality]

Code Coverage Overview

Languages: C#

C# / code-coverage/dotnet

The overall coverage remains at 88%, unchanged from the main branch.

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_{Updated July 03, 2026 14:25 UTC
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[Vincent Biret (baywet)]

holding for #2912

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[release-please-token-provider]

🤖 Created releases:

• v3.8.0

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