Bump System.Diagnostics.PerformanceCounter from 8.0.1 to 9.0.1 in /docs/fundamentals/runtime-libraries/snippets/System.Diagnostics/PerformanceCounter/NextValue/csharp in the dotnet group across 1 directory

Bump System.Diagnostics.PerformanceCounter from 8.0.1 to 9.0.1 in /docs/fundamentals/runtime-libraries/snippets/System.Diagnostics/PerformanceCounter/NextValue/csharp in the dotnet group across 1 directory #1474