Bump JsonSchema.Net from 9.2.1 to 9.4.0

---
updated-dependencies:
- dependency-name: JsonSchema.Net
  dependency-version: 9.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -19,7 +19,7 @@
     <PackageVersion Include="Dock.Model.Mvvm" Version="12.0.0.2" />
     <PackageVersion Include="Dock.Serializer.SystemTextJson" Version="12.0.0.2" />
     <PackageVersion Include="JsonPatch.Net" Version="5.0.2" />
-    <PackageVersion Include="JsonSchema.Net" Version="9.2.1" />
+    <PackageVersion Include="JsonSchema.Net" Version="9.4.0" />
     <PackageVersion Include="LibGit2Sharp" Version="0.31.0" />
     <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="10.0.8" />
     <PackageVersion Include="Microsoft.Agents.AI" Version="1.6.1" />