[repo] Breakdown emeritus into roles in main README (open-telemetry#6038)

Author: cijothomas

README.md

@@ -237,34 +237,39 @@ you're more than welcome to participate!
 * [Alan West](https://github.com/alanwest), New Relic
 * [Mikel Blanchard](https://github.com/CodeBlanch), Microsoft
 
+[Emeritus Maintainers](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#emeritus-maintainerapprovertriager):
+
+* [Mike Goldsmith](https://github.com/MikeGoldsmith)
+* [Sergey Kanzhelev](https://github.com/SergeyKanzhelev)
+* [Utkarsh Umesan Pillai](https://github.com/utpilla)
+
 [Approvers](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#approver)
 ([@open-telemetry/dotnet-approvers](https://github.com/orgs/open-telemetry/teams/dotnet-approvers)):
 
 * [Cijo Thomas](https://github.com/cijothomas), Microsoft
 * [Piotr Kiełkowicz](https://github.com/Kielek), Splunk
 * [Rajkumar Rangaraj](https://github.com/rajkumar-rangaraj), Microsoft
 
-[Triagers](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#triager)
-([@open-telemetry/dotnet-triagers](https://github.com/orgs/open-telemetry/teams/dotnet-triagers)):
-
-* [Martin Thwaites](https://github.com/martinjt), Honeycomb
-* [Timothy "Mothra" Lee](https://github.com/TimothyMothra), Microsoft
-
-[Emeritus
-Maintainer/Approver/Triager](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#emeritus-maintainerapprovertriager):
+[Emeritus Approvers](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#emeritus-maintainerapprovertriager):
 
 * [Bruno Garcia](https://github.com/bruno-garcia)
 * [Eddy Nakamura](https://github.com/eddynaka)
 * [Liudmila Molkova](https://github.com/lmolkova)
-* [Mike Goldsmith](https://github.com/MikeGoldsmith)
 * [Paulo Janotti](https://github.com/pjanotti)
 * [Reiley Yang](https://github.com/reyang)
 * [Robert Pająk](https://github.com/pellared)
-* [Sergey Kanzhelev](https://github.com/SergeyKanzhelev)
-* [Utkarsh Umesan Pillai](https://github.com/utpilla)
-* [Victor Lu](https://github.com/victlu)
 * [Vishwesh Bankwar](https://github.com/vishweshbankwar)
 
+[Triagers](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#triager)
+([@open-telemetry/dotnet-triagers](https://github.com/orgs/open-telemetry/teams/dotnet-triagers)):
+
+* [Martin Thwaites](https://github.com/martinjt), Honeycomb
+* [Timothy "Mothra" Lee](https://github.com/TimothyMothra), Microsoft
+
+[Emeritus Triagers](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#emeritus-maintainerapprovertriager):
+
+* [Victor Lu](https://github.com/victlu)
+
 ### Thanks to all the people who have contributed
 
 [![contributors](https://contributors-img.web.app/image?repo=open-telemetry/opentelemetry-dotnet)](https://github.com/open-telemetry/opentelemetry-dotnet/graphs/contributors)