chore: update readme (open-telemetry#3971)

Updated the Emeritus section to match other repos and be used on the cleanup script

Author: maryliag

README.md

@@ -115,15 +115,15 @@ For more information about the maintainer role, see the [community repository](h
 
 For more information about the approver role, see the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#approver).
 
-### Emeritus Maintainer/Approver/Triager
-
-* [Alolita Sharma](https://github.com/alolita)
-* [Emil Mikulic](https://github.com/g-easy)
-* [Jodee Varney](https://github.com/jodeev)
-* [Johannes Tax](https://github.com/pyohannes)
-* [Max Golovanov](https://github.com/maxgolov)
-* [Reiley Yang](https://github.com/reyang)
-* [Ryan Burn](https://github.com/rnburn)
+### Emeritus
+
+* [Alolita Sharma](https://github.com/alolita), Triager
+* [Emil Mikulic](https://github.com/g-easy), Maintainer
+* [Jodee Varney](https://github.com/jodeev), Triager
+* [Johannes Tax](https://github.com/pyohannes), Approver
+* [Max Golovanov](https://github.com/maxgolov), Approver
+* [Reiley Yang](https://github.com/reyang), Approver
+* [Ryan Burn](https://github.com/rnburn), Approver
 
 For more information about the emeritus role, see the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#emeritus-maintainerapprovertriager).