Add nikhita as contribex tech lead

OWNERS_ALIASES

@@ -49,8 +49,8 @@ aliases:
   sig-contributor-experience-leads:
     - Phillels
     - parispittman
-    - grodrigues3
     - cblecker
+    - nikhita
   sig-docs-leads:
     - chenopis
     - zacharysarah

sig-contributor-experience/README.md

@@ -29,8 +29,12 @@ The Chairs of the SIG run operations and processes governing the SIG.
 The Technical Leads of the SIG establish new subprojects, decommission existing
 subprojects, and resolve cross-subproject technical issues and decisions.
 
-* Garrett Rodrigues (**[@grodrigues3](https://github.com/grodrigues3)**), Google
 * Christoph Blecker (**[@cblecker](https://github.com/cblecker)**)
+* Nikhita Raghunath (**[@nikhita](https://github.com/nikhita)**)
+
+## Emeritus Leads
+
+* Garrett Rodrigues (**[@grodrigues3](https://github.com/grodrigues3)**), Google
 
 ## Contact
 * [Slack](https://kubernetes.slack.com/messages/sig-contribex)

sigs.yaml

@@ -975,11 +975,14 @@ sigs:
         github: parispittman
         company: Google
       tech_leads:
+        - name: Christoph Blecker
+          github: cblecker
+        - name: Nikhita Raghunath
+          github: nikhita
+      emeritus_leads:
         - name: Garrett Rodrigues
           github: grodrigues3
           company: Google
-        - name: Christoph Blecker
-          github: cblecker
     meetings:
     - description: Regular SIG Meeting
       day: Wednesday