bug:wrong victoriatraces datasource format in grafana

[xyzhou-1]

pigsty/roles/infra/tasks/register.yml

Line 102 in c4ddba7

"url": "http://{{ inventory_hostname }}:{{ vtraces_port|default(10428) }}",

From VictoriaTraces doc:the url format should be http://victoria-traces:10428/select/jaeger