Update Scalar.AspNetCore to 2.3.1

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.OpenApi
  dependency-version: 9.0.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Scalar.AspNetCore
  dependency-version: 2.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

samples/Sample.MinimalApi/Sample.MinimalApi.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Update="Bogus" Version="35.6.3" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.5" />
-    <PackageReference Include="Scalar.AspNetCore" Version="2.3.0" />
+    <PackageReference Include="Scalar.AspNetCore" Version="2.3.1" />
   </ItemGroup>
 
   <ItemGroup>