Update company affiliation for jack-berg (#3065)

Author: jack-berg

areas-of-interest.md

@@ -33,7 +33,7 @@ concerns.
 - OpenTracing compatibility
 - Semantic conventions
 
-### [Jack Berg](https://github.com/jack-berg), New Relic
+### [Jack Berg](https://github.com/jack-berg), Grafana Labs
 
 - Metrics API and SDK
 - Logging API and SDK

community-members.md

@@ -26,7 +26,7 @@ in alphabetical order:
 - [Bogdan Drutu](https://github.com/BogdanDrutu), Snowflake
 - [Carlos Alberto](https://github.com/carlosalberto), Lightstep
 - [David Ashpole](https://github.com/dashpole), Google
-- [Jack Berg](https://github.com/jack-berg), New Relic
+- [Jack Berg](https://github.com/jack-berg), Grafana Labs
 - [Josh MacDonald](https://github.com/jmacd), Microsoft
 - [Josh Suereth](https://github.com/jsuereth), Google
 - [Liudmila Molkova](https://github.com/lmolkova), Grafana Labs