issue with label on scrapper

[Yvonnick Esnault]

with this conf:

          sinks:
            warp10:
              url: https://xxxxxx
              token-header: X-Warp10-Token
              token: '{{ warp10Token }}'
          scrapers:
            scraper_localhost:
              url: http://127.0.0.1:9100/metrics
              period: 60000
              format: sensision
              labels:
                instance: foo

-> label 'instance' is not sent

[Yvonnick Esnault]

on beamium 1.6.5