Bump JsonSchema.Net.Generation from 5.0.4 to 5.1.1

---
updated-dependencies:
- dependency-name: JsonSchema.Net.Generation
  dependency-version: 5.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/Cnblogs.DashScope.AI/Cnblogs.DashScope.AI.csproj

@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="JsonSchema.Net.Generation" Version="4.6.0" />
+    <PackageReference Include="JsonSchema.Net.Generation" Version="5.1.1" />
     <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="9.9.1" />
   </ItemGroup>