[chore]: update readme (#47470)

Group all emeritus into one to keep consistent for script cleanup

---------

Co-authored-by: Pablo Baeyens <pbaeyens31+github@gmail.com>

Author: maryliag

README.md

@@ -115,32 +115,22 @@ For more information about the approver role, see the [community repository](htt
 
 For more information about the triager role, see the [community repository](https://github.com/open-telemetry/community/blob/main/guides/contributor/membership.md#triager).
 
-### Emeritus Maintainers
-
-- [Daniel Jaglowski](https://github.com/djaglowski)
-- [Juraci Paixão Kröhling](https://github.com/jpkrohling)
-- [Tigran Najaryan](https://github.com/tigrannajaryan)
-
-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).
-
-### Emeritus Approvers
-
-- [Anthony Mirabella](https://github.com/Aneurysm9)
-- [Bryan Aguilar](https://github.com/bryan-aguilar)
-- [Matt Wear](https://github.com/mwear)
-- [Przemek Maciolek](https://github.com/pmm-sumo)
-- [Ruslan Kovalov](https://github.com/kovrus)
-
-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).
-
-### Emeritus Triagers
-
-- [Alolita Sharma](https://github.com/alolita)
-- [Gabriel Aszalos](https://github.com/gbbr)
-- [Goutham Veeramachaneni](https://github.com/gouthamve)
-- [Punya Biswal](https://github.com/punya)
-- [Steve Flanders](https://github.com/flands)
-- [Florian Bacher](https://github.com/bacherfl), Dynatrace
+### Emeritus
+
+- [Alolita Sharma](https://github.com/alolita), Triager
+- [Anthony Mirabella](https://github.com/Aneurysm9), Approver
+- [Bryan Aguilar](https://github.com/bryan-aguilar), Approver
+- [Daniel Jaglowski](https://github.com/djaglowski), Maintainer
+- [Florian Bacher](https://github.com/bacherfl), Triager
+- [Gabriel Aszalos](https://github.com/gbbr), Triager
+- [Goutham Veeramachaneni](https://github.com/gouthamve), Triager
+- [Juraci Paixão Kröhling](https://github.com/jpkrohling), Maintainer
+- [Matt Wear](https://github.com/mwear), Approver
+- [Przemek Maciolek](https://github.com/pmm-sumo), Approver
+- [Punya Biswal](https://github.com/punya), Triager
+- [Ruslan Kovalov](https://github.com/kovrus), Approver
+- [Steve Flanders](https://github.com/flands), Triager
+- [Tigran Najaryan](https://github.com/tigrannajaryan), Maintainer
 
 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).