feature request: logcli: query label values with a selector from

[Kamilcuk]

Is your feature request related to a problem? Please describe.
I want to know what are all possible values of job label for {source="test"}.

Describe the solution you'd like

logcli labels --since=78h job '{source="test"}'

Describe alternatives you've considered

$ curl -sS -u "$LOKI_USERNAME:$LOKI_PASSWORD" --data-urlencode since=78h --data-urlencode query='{source="test"}' "$LOKI_ADDR/loki/api/v1/label/job/values" | jq -r '.data[]'

Additional context

Hi, thanks, loki is great, I am just missing the feature to pass the query value when doing logcli labels call.