Update community files (#4251)

Signed-off-by: Knative Automation <automation@knative.team>

OWNERS_ALIASES

@@ -28,14 +28,17 @@ aliases:
   - maximilien
   - navidshaikh
   - rhuss
-  conformance-wg-leads:
-  - tayarani
+  conformance-task-force-leads:
+  - omerbensaadon
+  - salaboy
   conformance-writers:
-  - tayarani
+  - omerbensaadon
+  - salaboy
   docs-reviewers:
   - RichardJJG
   - jonatasbaldin
   - mpetason
+  - nainaz
   - omerbensaadon
   - pmbanugo
   - snneji
@@ -80,35 +83,12 @@ aliases:
   - knative-test-reporter-robot
   - markusthoemmes
   - mbehrendt
+  - omerbensaadon
   - pmorie
   - rhuss
   - spencerdillard
   - thisisnotapril
   - vaikas
-  knative-milestone-maintainers:
-  - ImJasonH
-  - ZhiminXiang
-  - andrew-su
-  - aslom
-  - chaodaiG
-  - chizhg
-  - csantanapr
-  - dprotaso
-  - evankanderson
-  - igsong
-  - julz
-  - lionelvillard
-  - markusthoemmes
-  - matzew
-  - n3wscott
-  - nak3
-  - navidshaikh
-  - rhuss
-  - shashwathi
-  - tanzeeb
-  - tcnghia
-  - vagababov
-  - vaikas
   knative-release-leads:
   - ZhiminXiang
   - evankanderson
@@ -224,8 +204,8 @@ aliases:
   - markusthoemmes
   - rhuss
   trademark-committee:
-  - bsnchan
   - duglin
+  - omerbensaadon
   - spencerdillard
   ux-wg-leads:
   - csantanapr