Upgrade Prometheus and Cortex to LabelNames()
with matchers versions
#4049
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What this PR does / why we need it:
This bumps prometheus up to the changes from prometheus/prometheus#9083 and Cortex to cortexproject/cortex#4380
Those changes made a breaking change in the
LabelQuerier
'sLabelNames
interface adding a slice of matchers, just likeLabelValues
already did. This isn't yet needed in Loki, but it's preventing us from smoothly upgrading further.Which issue(s) this PR fixes:
None, AFAIK.
Special notes for your reviewer:
Checklist