Bump FluentValidation from 11.7.1 to 11.8.0

Bumps [FluentValidation](https://github.com/JeremySkinner/fluentvalidation) from 11.7.1 to 11.8.0.
- [Release notes](https://github.com/JeremySkinner/fluentvalidation/releases)
- [Changelog](https://github.com/FluentValidation/FluentValidation/blob/main/Changelog.txt)
- [Commits](FluentValidation/FluentValidation@11.7.1...11.8.0)

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

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

src/Exceptionless.Core/Exceptionless.Core.csproj

@@ -21,7 +21,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="12.0.1" />
-    <PackageReference Include="FluentValidation" Version="11.7.1" />
+    <PackageReference Include="FluentValidation" Version="11.8.0" />
     <PackageReference Include="Foundatio.Extensions.Hosting" Version="$(FoundatioVersion)" />
     <PackageReference Include="Foundatio.JsonNet" Version="$(FoundatioVersion)" />
     <PackageReference Include="NEST.JsonNetSerializer" Version="7.17.5" />