chore: Update MAINTAINERS.md (#14044)

* chore: Update MAINTAINERS.md

Co-authored-by: katelyn martin <me+cratelyn@katelyn.world>

MAINTAINERS.md

@@ -2,10 +2,11 @@
 
 The Linkerd maintainers are:
 
-* Oliver Gould <ver@buoyant.io> @olix0r
-* Alejandro Pedraza <alejandro@buoyant.io> @alpeb
 * Alex Leong <alex@buoyant.io> @adleong
-* Matei David <matei@buoyant.io> @mateiidavid
+* Alejandro Pedraza <alejandro@buoyant.io> @alpeb
+* katelyn martin <kate@buoyant.io> @cratelyn
+* Oliver Gould <ver@buoyant.io> @olix0r
+* Scott Fleener <scott@buoyant.io> @sfleen
 * Zahari Dichev <zahari@buoyant.io> @zaharidichev
 
 ## Directors
@@ -18,27 +19,29 @@ The Linkerd directors are:
 
 The Linkerd Steering Committee members are:
 
-* Steve Gray (ZeroFlucs) @steve-gray
 * Christian Hüning (BWI) @christianhuening
 * Dan Williams (LoveHolidays) @dwilliams782
+* Steve Gray (ZeroFlucs) @steve-gray
 
 ## Emeriti
 
 Former maintainers include:
 
-* Andrew Seigner <siggy@buoyant.io> @siggy
-* Kevin Ingleman <ki@buoyant.io> @klingerf
-* Risha Mars <mars@buoyant.io> @rmars
-* Hema Lee <Hemalekha.Lee@nordstrom.com> @hemakl
-* Tarun Pothulapati <tarun@buoyant.io> @pothulapati
-* Kevin Leimkuhler @kleimkuhler
-* Steve Jenson @stevej
 * Eliza Weisman <eliza@buoyant.io> @hawkw
+* Hema Lee <Hemalekha.Lee@nordstrom.com> @hemakl
+* Kevin Leimkuhler @kleimkuhler
+* Kevin Ingleman <ki@buoyant.io> @klingerf
+* Matei David @mateiidavid
+* Tarun Pothulapati <tarun@buoyant.io> @pothulapati
+* Risha Mars <mars@buoyant.io> @rmars
+* Andrew Seigner <siggy@buoyant.io> @siggy
+* Steve Jenson @stevej
 
 <!--
 # Adding a new maintainer
 
 * Submit a PR modifying this file
+* Sort alphabetically by GitHub handle
 * Obtain approvals per GOVERNANCE.md
 * Invite maintainer to
   https://github.com/orgs/linkerd/teams/maintainers/members