Bump Foundatio.Mediator.Abstractions from 1.0.0-rc.9.11 to 1.0.0-rc.9.28

---
updated-dependencies:
- dependency-name: Foundatio.Mediator.Abstractions
  dependency-version: 1.0.0-rc.9.28
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -14,7 +14,7 @@
     <PackageVersion Include="Equatable.Generator" Version="2.1.0" />
     <PackageVersion Include="FluentValidation" Version="12.1.1" />
     <PackageVersion Include="Foundatio.Mediator" Version="1.0.0-rc.9.28" />
-    <PackageVersion Include="Foundatio.Mediator.Abstractions" Version="1.0.0-rc.9.11" />
+    <PackageVersion Include="Foundatio.Mediator.Abstractions" Version="1.0.0-rc.9.28" />
     <PackageVersion Include="Injectio" Version="5.1.0" />
     <PackageVersion Include="LoreSoft.Blazor.Controls" Version="13.6.7" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.3" />