Add event tracking to Plugin List and out of date plugins

[iamgabrielma]

Ref: pdfdoF-4OF-p2#comment-5997

Do we track any events on the list of plugins? Considering, out-dated plugins is one of the biggest friction points in the WordPress environment, I believe it’d be great to evaluate the impact of this change in a couple months

[dangermattic]

Thanks for reporting! 👍