Merge pull request #4289 from shaneutt/shaneutt/dan-winship-to-sig-net-tech-lead

docs: add dan winship as signet tech lead

Author: k8s-ci-robot

OWNERS_ALIASES

@@ -70,9 +70,12 @@ aliases:
     - jeremyot
     - pmorie
   sig-network-leads:
-    - dcbw
+    - danwinship
+    - mikezappa87
     - shaneutt
     - thockin
+  sig-network-leads-emeritus:
+    - dcbw
   sig-node-tech-leads:
     - dchen1107
     - derekwaynecarr