Add raywainman as maintainer/review of autoscaling repo

Author: Ray Wainman

config/kubernetes/sig-autoscaling/teams.yaml

@@ -18,6 +18,7 @@ teams:
     - maciekpytel
     - towca
     - x13n
+    - raywainman
     privacy: closed
     repos:
       autoscaler: write
@@ -29,6 +30,7 @@ teams:
     - gjtempleton
     - maciekpytel
     - x13n
+    - raywainman
     privacy: closed
     repos:
       autoscaler: read