tempo: fix infrastructure setup
The remote write receiver allows Prometheus to accept remote write requests from other Prometheus servers. We need this for other setups not just receive_only nodes, like tempo etc.
Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to accountsupport@archlinux.org, with your desired username, if you want to get access. Sorry for the inconvenience.
The remote write receiver allows Prometheus to accept remote write requests from other Prometheus servers. We need this for other setups not just receive_only nodes, like tempo etc.