Synchronize common files from prometheus/prometheus (#303)

Update common Prometheus files

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Author: prombot

SECURITY.md

@@ -3,4 +3,4 @@
 The Prometheus security policy, including how to report vulnerabilities, can be
 found here:
 
-<https://prometheus.io/docs/operating/security/>
+[https://prometheus.io/docs/operating/security/](https://prometheus.io/docs/operating/security/)