Bump FluentValidation from 11.11.0 to 12.0.0

Bumps [FluentValidation](https://github.com/JeremySkinner/fluentvalidation) from 11.11.0 to 12.0.0.
- [Release notes](https://github.com/JeremySkinner/fluentvalidation/releases)
- [Changelog](https://github.com/FluentValidation/FluentValidation/blob/main/Changelog.txt)
- [Commits](FluentValidation/FluentValidation@11.11.0...12.0.0)

---
updated-dependencies:
- dependency-name: FluentValidation
  dependency-version: 12.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

sample/Tracker/Tracker.Core/Tracker.Core.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="14.0.0" />
-    <PackageReference Include="FluentValidation" Version="11.11.0" />
+    <PackageReference Include="FluentValidation" Version="12.0.0" />
     <PackageReference Include="Injectio" Version="5.0.0" PrivateAssets="all" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.4" />
   </ItemGroup>