GC Committed Bytes (gc-committed) is not collected

[troepolik]

There is new usefull metric in net6 + GC Committed Bytes (gc-committed) | The number of bytes committed by the GC | .NET 6 https://learn.microsoft.com/en-gb/dotnet/core/diagnostics/available-counters#systemruntime-counters Could we add support of this metric?