Bump MediatR from 12.4.1 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]

src/Directory.Packages.props

@@ -5,7 +5,7 @@
     <PackageVersion Include="BenchmarkDotNet" Version="0.14.0" />
     <PackageVersion Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.14.0" />
     <PackageVersion Include="Devlooped.Dynamically" Version="1.1.1" />
-    <PackageVersion Include="MediatR" Version="12.4.1" />
+    <PackageVersion Include="MediatR" Version="13.1.0" />
     <PackageVersion Include="Merq.DependencyInjection" Version="2.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.UserSecrets" Version="8.0.1" />
     <PackageVersion Include="NuGetizer" Version="1.2.3" />