Promote @jaronoff97 to maintainer (open-telemetry#1419)

* Promote @jaronoff97 to maintainer

* order, name (open-telemetry#1420)

* Alphabetically sort (open-telemetry#1432)

README.md

@@ -453,8 +453,15 @@ Emeritus Approvers:
 - [Owais Lone](https://github.com/owais), Splunk
 - [Pablo Baeyens](https://github.com/mx-psi), DataDog
 
+Target Allocator Maintainers ([@open-telemetry/operator-ta-maintainers](https://github.com/orgs/open-telemetry/teams/operator-ta-maintainers)):
+
+- [Anthony Mirabella](https://github.com/Aneurysm9), AWS
+- [Kristina Pathak](https://github.com/kristinapathak), Lightstep
+- [Sebastian Poxhofer](https://github.com/secustor)
+
 Maintainers ([@open-telemetry/operator-maintainers](https://github.com/orgs/open-telemetry/teams/operator-maintainers)):
 
+- [Jacob Aronoff](https://github.com/jaronoff97), Lightstep
 - [Juraci Paixão Kröhling](https://github.com/jpkrohling), Grafana Labs
 - [Pavol Loffay](https://github.com/pavolloffay), Red Hat
 - [Vineeth Pothulapati](https://github.com/VineethReddy02), Timescale