Bump MediatR from 12.3.0 to 12.4.0

Bumps [MediatR](https://github.com/jbogard/MediatR) from 12.3.0 to 12.4.0.
- [Release notes](https://github.com/jbogard/MediatR/releases)
- [Commits](jbogard/MediatR@v12.3.0...v12.4.0)

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

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

src/Simple.App/Simple.App.csproj

@@ -8,7 +8,7 @@
 
     <ItemGroup>
         <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
-        <PackageReference Include="MediatR" Version="12.3.0"/>
+        <PackageReference Include="MediatR" Version="12.4.0"/>
         <PackageReference Include="FluentValidation.DependencyInjectionExtensions" Version="11.9.2"/>
         <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1"/>
     </ItemGroup>

src/Simple.Infra/Simple.Infra.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="FluentMigrator.Runner" Version="5.2.0" />
     <PackageReference Include="FluentMigrator.Runner.Postgres" Version="5.2.0" />
     <PackageReference Include="FluentValidation" Version="11.9.2" />
-    <PackageReference Include="MediatR" Version="12.3.0" />
+    <PackageReference Include="MediatR" Version="12.4.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.6">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

src/Simple.Web/Simple.Web.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MediatR" Version="12.3.0" />
+    <PackageReference Include="MediatR" Version="12.4.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.6" />
   </ItemGroup>