v0.20.9

• Fix version reported by community exporter, now empty (#373) (Denys Kondratenko)
• PMM-8011 Add top admincommand collector (#357) (Ivan Groenewold)
• Prevent exporter exit after start (#366) (Kris Budde)
• Close client if initial connection failed (#367) (Kris Budde)
• Build container image on release (#354) (Kris Budde)
• PMM-7116 myState metric always has a value (#345) (Carlos Salguero)
• Expose exporter.Handler and allow disabling default registry (#356) (Robert Fratto)
• Remove dependency on github.com/prometheus/common/log (#355) (Robert Fratto)

Docker images

• docker pull percona/mongodb_exporter:0.20
• docker pull percona/mongodb_exporter:0.20.9