Merge pull request 'Update module github.com/prometheus/client_golang to v1.20.5 (forgejo)' (#5240) from renovate/forgejo-github.com-prometheus-client_golang-1.x into forgejo
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/5240
Reviewed-by: Michael Kriese <michael.kriese@gmx.de>