---
upgrade:
  - |
    Updates monitoring and key infrastructure components to their latest
    supported versions. This covers several Prometheus exporters as well as
    ``etcd``, ``helm``, and ``letsencrypt-lego``.

    * etcd: 3.5.16 -> 3.6.5
    * helm: 3.16.3 -> 3.19.0
    * letsencrypt-lego: 4.20.4 -> 4.27.0
    * prometheus-blackbox-exporter: 0.25.0 -> 0.27.0
    * prometheus-cadvisor: 0.49.2 -> 0.53.0
    * prometheus-elasticsearch-exporter: 1.8.0 -> 1.9.0
    * prometheus-memcached-exporter: 0.15.0 -> 0.15.3
    * prometheus-mysqld-exporter: 0.16.0 -> 0.17.2
    * prometheus-node-exporter: 1.8.2 -> 1.9.1
    * prometheus-server: 3.2.1 -> 3.5.0 (LTS)

    Additionally, ``prometheus-server`` now tracks the Long-Term Support (LTS)
    channel to provide longer maintenance windows.