Bump OpenTelemetry.Extensions.Hosting from 1.12.0 to 1.15.0#885

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dependabot/nuget/complete/ServiceDefaults/OpenTelemetry.Extensions.Hosting-1.15.0dotnet-presentations/dotnet-aspire-workshop:dependabot/nuget/complete/ServiceDefaults/OpenTelemetry.Extensions.Hosting-1.15.0Copy head branch name to clipboard