Make the "Geo Mirrors" dashboard and metrics publicly available

This may be interesting for our mirror administrators and mirror owners.

I tried backfilling the data, but was unsuccessful, due to a bug[1]. We may try again if/when the bug is fixed.

[1] https://github.com/prometheus/prometheus/issues/13747

added 8 commits

• f862fabf...1fadf90b - 7 commits from branch archlinux:master
• e0423d7e - Make the "Geo Mirrors" dashboard and metrics publicly available

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marked this merge request as ready

changed title from Draft: Publish geo mirrors dashboard at dashboards.archlinux.org to Make the "Geo Mirrors" dashboard and metrics publicly available

changed the description

mentioned in commit 90c28dc5

merged