[Kibana]: ES|QL controls changing name to Variable controls #3013
Description
Type of issue
Change feature name
What documentation page is affected
https://www.elastic.co/docs/explore-analyze/dashboards/add-controls
What happened?
We are changing the name from the current "ES|QL controls" to "Variable controls" in Dashboards (see PR elastic/kibana#230324) and it needs to be changed in the documentation too.
Additional info
No response