Promote @swiatekm-sumo to maintainer (#2847)

README.md

@@ -769,7 +769,6 @@ Approvers ([@open-telemetry/operator-approvers](https://github.com/orgs/open-tel
 - [Benedikt Bongartz](https://github.com/frzifus), Red Hat
 - [Tyler Helmuth](https://github.com/TylerHelmuth), Honeycomb
 - [Yuri Oliveira Sa](https://github.com/yuriolisa), Red Hat
-- [Mikołaj Świątek](https://github.com/swiatekm-sumo), Sumo Logic
 
 Emeritus Approvers:
 
@@ -789,6 +788,7 @@ Target Allocator Maintainers ([@open-telemetry/operator-ta-maintainers](https://
 Maintainers ([@open-telemetry/operator-maintainers](https://github.com/orgs/open-telemetry/teams/operator-maintainers)):
 
 - [Jacob Aronoff](https://github.com/jaronoff97), Lightstep
+- [Mikołaj Świątek](https://github.com/swiatekm-sumo), Sumo Logic
 - [Pavol Loffay](https://github.com/pavolloffay), Red Hat
 - [Vineeth Pothulapati](https://github.com/VineethReddy02), Timescale