Bump FluentValidation from 12.0.0 to 12.1.0

---
updated-dependencies:
- dependency-name: FluentValidation
  dependency-version: 12.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/EstimatorX.Shared/EstimatorX.Shared.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="15.1.0" />
-    <PackageReference Include="FluentValidation" Version="12.0.0" />
+    <PackageReference Include="FluentValidation" Version="12.1.0" />
     <PackageReference Include="JsonPatch.Net" Version="3.3.0" />
   </ItemGroup>