Update Loki Team members in the Governance doc. (#5219)

Signed-off-by: Kaviraj <kavirajkanagaraj@gmail.com>

docs/sources/community/governance.md

@@ -54,7 +54,10 @@ The current team members are:
 - Edward Welch - [slim-bean](https://github.com/slim-bean) ([Grafana Labs](https://grafana.com/))
 - Goutham Veeramachaneni - [gouthamve](https://github.com/gouthamve) ([Grafana Labs](https://grafana.com/))
 - Joe Elliott - [joe-elliott](https://github.com/joe-elliott) ([Grafana Labs](https://grafana.com/))
+- Karsten Jeschkies - [jeschkies](https://github.com/jeschkies) ([Grafana Labs](https://grafana.com/))
+- Kaviraj Kanagaraj - [kavirajk](https://github.com/kavirajk) ([Grafana Labs](https://grafana.com/))
 - Owen Diehl - [owen-d](https://github.com/owen-d) ([Grafana Labs](https://grafana.com/))
+- Periklis Tsirakidis - [periklis](https://github.com/periklis) ([Red Hat](https://www.redhat.com/))
 - Sandeep Sukhani - [sandeepsukhani](https://github.com/sandeepsukhani) ([Grafana Labs](https://grafana.com/))
 - Tom Braack - [sh0rez](https://github.com/sh0rez) ([Grafana Labs](https://grafana.com/))
 - Tom Wilkie - [tomwilkie](https://github.com/tomwilkie) ([Grafana Labs](https://grafana.com/))