Bump FluentValidation from 9.3.0 to 10.3.4 (#573)

Bumps [FluentValidation](https://github.com/JeremySkinner/fluentvalidation) from 9.3.0 to 10.3.4.
- [Release notes](https://github.com/JeremySkinner/fluentvalidation/releases)
- [Changelog](https://github.com/FluentValidation/FluentValidation/blob/main/Changelog.txt)
- [Commits](https://github.com/JeremySkinner/fluentvalidation/compare/9.3.0...10.3.4)

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

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

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

src/BlazorShared/BlazorShared.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="BlazorInputFile" Version="0.2.0" />
-    <PackageReference Include="FluentValidation" Version="9.3.0" />
+    <PackageReference Include="FluentValidation" Version="10.3.4" />
   </ItemGroup>
 
 </Project>