Update community member listings (#867)

* Update community member listings

* Fix outdated community membership link

---------

Co-authored-by: otelbot <[email protected]>

Author: opentelemetrybot

README.md

@@ -206,24 +206,26 @@ $ python3 test.py http://127.0.0.1:5000/test
 
 ## Contributing
 
-Approvers ([@open-telemetry/erlang-approvers](https://github.com/orgs/open-telemetry/teams/erlang-approvers)):
+### Maintainers
 
 - [Tristan Sloughter](https://github.com/tsloughter), [Splunk](https://www.splunk.com/en_us/observability/apm-application-performance-monitoring.html)
 - [Bryan Naegele](https://github.com/bryannaegele), [Simplebet](https://simplebet.io/)
-- [Greg Mefford](https://github.com/GregMefford), [STORD](https://www.stord.com/)
-- [Fred Hebert](https://github.com/ferd), [Honeycomb](https://www.honeycomb.io/)
 - [Łukasz Jan Niemier](https://github.com/hauleth)
 - [Iliia Khaprov](https://github.com/deadtrickster), [VMWare](https://www.vmware.com/)
 
-_Find more about the approver role in [community repository](https://github.com/open-telemetry/community/blob/master/community-membership.md#approver)._
+For more information about the maintainer role, see the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#maintainer).
 
-Maintainers ([@open-telemetry/erlang-maintainers](https://github.com/orgs/open-telemetry/teams/erlang-maintainers)):
+### Approvers
 
 - [Tristan Sloughter](https://github.com/tsloughter), [Splunk](https://www.splunk.com/en_us/observability/apm-application-performance-monitoring.html)
 - [Bryan Naegele](https://github.com/bryannaegele), [Simplebet](https://simplebet.io/)
+- [Greg Mefford](https://github.com/GregMefford), [STORD](https://www.stord.com/)
+- [Fred Hebert](https://github.com/ferd), [Honeycomb](https://www.honeycomb.io/)
 - [Łukasz Jan Niemier](https://github.com/hauleth)
 - [Iliia Khaprov](https://github.com/deadtrickster), [VMWare](https://www.vmware.com/)
 
+For more information about the approver role, see the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#approver).
+
 _Find more about the maintainer role in [community repository](https://github.com/open-telemetry/community/blob/master/community-membership.md#maintainer)._
 
 ### Thanks to all the people who have contributed