MINOR: [C#] Bump coverlet.collector from 6.0.3 to 6.0.4 in /csharp#45313

CurtHagenlocher merged 1 commit intomainapache/arrow:mainfrom

dependabot/nuget/csharp/coverlet.collector-6.0.4apache/arrow:dependabot/nuget/csharp/coverlet.collector-6.0.4Copy head branch name to clipboard