Bump Whipstaff.AspNetCore from 5.0.12 to 5.1.1 (#167)

Bumps [Whipstaff.AspNetCore](https://github.com/dpvreony/Dhgms.AspNetCoreContrib) from 5.0.12 to 5.1.1.
- [Release notes](https://github.com/dpvreony/Dhgms.AspNetCoreContrib/releases)
- [Commits](dpvreony/whipstaff@5.0.12...5.1.1)

---
updated-dependencies:
- dependency-name: Whipstaff.AspNetCore
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/Dhgms.Nucleotide.GenerationTests/Dhgms.Nucleotide.SampleApp.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Whipstaff.AspNetCore" Version="5.0.12" />
+    <PackageReference Include="Whipstaff.AspNetCore" Version="5.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.9" />
   </ItemGroup>