Add iampopovich to Selenium Committers (#2545)

[deploy site]

Author: cgoldberg

website_and_docs/content/project/structure/_index.html

@@ -71,6 +71,7 @@ <h3 class="pb-3">Selenium Committers</h3>
         {{< gh-user "https://api.github.com/users/DominikDary" >}}
         {{< gh-user "https://api.github.com/users/freynaud" >}}
         {{< gh-user "https://api.github.com/users/Harsha509" >}}
+        {{< gh-user "https://api.github.com/users/iampopovich" >}}
         {{< gh-user "https://api.github.com/users/illicitonion" >}}
         {{< gh-user "https://api.github.com/users/jarib" >}}
         {{< gh-user "https://api.github.com/users/jimevans" >}}