Bump MudBlazor from 6.19.1 to 6.20.0 in /src

Bumps [MudBlazor](https://github.com/MudBlazor/MudBlazor) from 6.19.1 to 6.20.0.
- [Release notes](https://github.com/MudBlazor/MudBlazor/releases)
- [Changelog](https://github.com/MudBlazor/MudBlazor/blob/dev/CHANGELOG.md)
- [Commits](MudBlazor/MudBlazor@v6.19.1...v6.20.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

src/IoTHub.Portal.Client/IoTHub.Portal.Client.csproj

@@ -32,7 +32,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="MudBlazor" Version="6.19.1" />
+    <PackageReference Include="MudBlazor" Version="6.20.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="System.Net.Http.Json" Version="8.0.0" />
     <PackageReference Include="Tewr.Blazor.FileReader" Version="3.3.2.23201" />

src/IoTHub.Portal.Server/IoTHub.Portal.Server.csproj

@@ -65,7 +65,7 @@
     <PackageReference Include="Microsoft.OpenApi" Version="1.6.14" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.20.1" />
     <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.19.0" />
-    <PackageReference Include="MudBlazor" Version="6.19.1" />
+    <PackageReference Include="MudBlazor" Version="6.20.0" />
     <PackageReference Include="NetEscapades.AspNetCore.SecurityHeaders" Version="0.21.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="prometheus-net.AspNetCore" Version="8.2.1" />

src/IoTHub.Portal.Shared/IoTHub.Portal.Shared.csproj

@@ -27,7 +27,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="MudBlazor" Version="6.19.1" />
+    <PackageReference Include="MudBlazor" Version="6.20.0" />
     <PackageReference Include="xunit.extensibility.core" Version="2.8.0" />
     <PackageReference Include="xunit.extensibility.execution" Version="2.8.0" />
   </ItemGroup>