Bump FluentValidation from 10.3.6 to 10.4.0

Bumps [FluentValidation](https://github.com/JeremySkinner/fluentvalidation) from 10.3.6 to 10.4.0.
- [Release notes](https://github.com/JeremySkinner/fluentvalidation/releases)
- [Changelog](https://github.com/FluentValidation/FluentValidation/blob/main/Changelog.txt)
- [Commits](FluentValidation/FluentValidation@10.3.6...10.4.0)

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

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

src/Orc.FluentValidation.Example/Orc.FluentValidation.Example.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="Fody" Version="6.6.0" PrivateAssets="all">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="FluentValidation" Version="10.3.6" />
+    <PackageReference Include="FluentValidation" Version="10.4.0" />
     <PackageReference Include="LoadAssembliesOnStartup.Fody" Version="4.6.0" PrivateAssets="all" />
     <PackageReference Include="ModuleInit.Fody" Version="2.1.1" PrivateAssets="all" />
     <PackageReference Include="Orc.Controls" Version="4.6.8" />

src/Orc.FluentValidation/Orc.FluentValidation.csproj

@@ -18,7 +18,7 @@
   <ItemGroup>
     <PackageReference Include="Catel.Core" Version="5.12.22" />
     <PackageReference Include="Catel.Fody" Version="4.7.0" PrivateAssets="all" />
-    <PackageReference Include="FluentValidation" Version="10.3.6" />
+    <PackageReference Include="FluentValidation" Version="10.4.0" />
     <PackageReference Include="Fody" Version="6.6.0" PrivateAssets="all">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>