Bump MediatR from 12.5.0 to 13.1.0

---
updated-dependencies:
- dependency-name: MediatR
  dependency-version: 13.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -21,7 +21,7 @@
     <PackageVersion Include="Blazored.LocalStorage" Version="4.5.0" />
     <PackageVersion Include="BuildBundlerMinifier" Version="3.2.449" PrivateAssets="All" />
     <PackageVersion Include="FluentValidation" Version="11.10.0" />
-    <PackageVersion Include="MediatR" Version="12.5.0" />
+    <PackageVersion Include="MediatR" Version="13.1.0" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.Authorization" Version="8.0.11" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.13" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="8.0.10" PrivateAssets="all" />