Update OWNERS

pkg/volume/downwardapi/OWNERS

@@ -1,25 +1,23 @@
 approvers:
 - pmorie
-- sdminonne
-reviewers:
-- thockin
-- smarterclayton
-- caesarxuchao
-- pmorie
 - saad-ali
-- pwittrock
-- timstclair
-- feiskyer
-- markturansky
-- fgrzadkowski
-- jingxu97
-- fabioy
-- aveshagarwal
-- resouer
-- david-mcmahon
-- tmrts
+- thockin
+- matchstick
+reviewers:
 - ivan4th
 - rata
-- sdminonne
-- swagiaal
-- chakri-nelluri
+- sjenning
+- thockin
+- smarterclayton
+- deads2k
+- brendandburns
+- derekwaynecarr
+- bprashanth
+- pmorie
+- saad-ali
+- justinsb
+- jsafrane
+- rootfs
+- jingxu97
+- rkouj
+- msau42