Add perkj@ as owner in webrtc/test/scenario

srte@ is the only owner and is not very active....

Bug: none
Change-Id: I4fbedae4fe34765ebf1befbd37dbb98770dce91d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/287120
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38924}
diff --git a/test/scenario/OWNERS b/test/scenario/OWNERS
index 53e076b..6698afb 100644
--- a/test/scenario/OWNERS
+++ b/test/scenario/OWNERS
@@ -1 +1,2 @@
 srte@webrtc.org
+perkj@webrtc.org