Bump Microsoft.AspNetCore.Components.WebAssembly.Server from 8.0.18 to 8.0.21#211

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dependabot/nuget/src/BlazorApp/BlazorApp/Microsoft.AspNetCore.Components.WebAssembly.Server-8.0.21michaelvolz/OpenGraphTilemakerReborn:dependabot/nuget/src/BlazorApp/BlazorApp/Microsoft.AspNetCore.Components.WebAssembly.Server-8.0.21Copy head branch name to clipboard