Upgrade TailBlazor progress bar for .NET 9 auto render#1

TaylorWatson wants to merge 1 commit intomainTailBlazor/ProgressBar:mainfrom

codex/upgrade-to-.net-9-and-support-blazor-auto-modeTailBlazor/ProgressBar:codex/upgrade-to-.net-9-and-support-blazor-auto-modeCopy head branch name to clipboard