Update Prometheus components
- Update node_exporter to 1.0.1.
- Update Prometheus to 2.20.1.
- Update pgbouncer_exporter to 0.4.0.
- Update redis_exporter to 1.6.1.
- Redis exporter doesn't use inline vendor data anymore.
Signed-off-by: Ben Kochie bjk@gitlab.com
Edited by Ben Kochie