Bump CSharpier.Core from 0.25.0 to 0.26.1 (opensearch-project#430)

* Bump CSharpier.Core from 0.25.0 to 0.26.1

Bumps [CSharpier.Core](https://github.com/belav/csharpier) from 0.25.0 to 0.26.1.
- [Release notes](https://github.com/belav/csharpier/releases)
- [Changelog](https://github.com/belav/csharpier/blob/main/CHANGELOG.md)
- [Commits](belav/csharpier@0.25.0...0.26.1)

---
updated-dependencies:
- dependency-name: CSharpier.Core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* Update changelog

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

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <dependabot[bot]@users.noreply.github.com>

src/ApiGenerator/ApiGenerator.csproj

@@ -9,7 +9,7 @@
     <PreserveCompilationContext>true</PreserveCompilationContext>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="CSharpier.Core" Version="0.25.0" />
+    <PackageReference Include="CSharpier.Core" Version="0.26.1" />
     <PackageReference Include="Glob" Version="1.1.9" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NSwag.Core.Yaml" Version="13.20.0" />