feat: Add goroutine count to sentry (#825)

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#### Summary

Closes https://github.com/cloudquery/cloudquery-issues/issues/371

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cmd/sentry.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"os"
+	"runtime"
 	"strconv"
 	"time"
 
@@ -105,6 +106,7 @@ func initSentry() {
 		})
 		scope.SetExtra("cookie_id", userId.String())
 		scope.SetExtra("instance_id", instanceId)
+		scope.SetExtra("goroutine_count", runtime.NumGoroutine())
 		ulimit, err := limit.GetUlimit()
 		if err == nil && ulimit.Max != 0 {
 			scope.SetExtra("current_ulimit", ulimit.Cur)