Bump FluentValidation.AspNetCore from 9.0.1 to 9.1.2

Bumps [FluentValidation.AspNetCore](https://github.com/JeremySkinner/fluentvalidation) from 9.0.1 to 9.1.2.
- [Release notes](https://github.com/JeremySkinner/fluentvalidation/releases)
- [Changelog](https://github.com/FluentValidation/FluentValidation/blob/master/Changelog.txt)
- [Commits](https://github.com/JeremySkinner/fluentvalidation/commits/9.1.2)

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

Directory.Packages.props

@@ -28,7 +28,7 @@
     <PackageVersion Include="App.Metrics.AspNetCore.Tracking" Version="4.1.0" />
     <PackageVersion Include="App.Metrics.Extensions.Hosting" Version="4.1.0" />
     <PackageVersion Include="FluentValidation" Version="9.1.2" />
-    <PackageVersion Include="FluentValidation.AspNetCore" Version="9.0.1" />
+    <PackageVersion Include="FluentValidation.AspNetCore" Version="9.1.2" />
     <PackageVersion Include="FluentValidation.DependencyInjectionExtensions" Version="9.0.1" />
     <PackageVersion Include="Grpc.AspNetCore" Version="2.30.0" />
     <PackageVersion Include="Hellang.Middleware.ProblemDetails" Version="5.1.1" />