Bump MudBlazor from 8.11.0 to 8.15.0#74

dependabot[bot] wants to merge 1 commit intomainDevJasperNL/CodeCasa.Showcase:mainfrom

dependabot/nuget/src/CodeCasa.Dashboard/MudBlazor-8.15.0DevJasperNL/CodeCasa.Showcase:dependabot/nuget/src/CodeCasa.Dashboard/MudBlazor-8.15.0Copy head branch name to clipboard