Privacy: Include `community-events-location` user meta value in Personal Data Export.

The value is used by the WordPress Events and News widget to show relevant WP community events.

The location information may include an IP address, location description, and latitude/longitude coordinates.

Props garrett-eclipse, coreymckrill, xkon.
Fixes #43921.
Built from https://develop.svn.wordpress.org/trunk@47236


git-svn-id: https://core.svn.wordpress.org/trunk@47036 1a063a9b-81f0-0310-95a4-ce76da25c4cd