Merge branch 'drosse/dashboard-reload-data-from-panel' into 'master'

Add support for reloading a panel data

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/181955



Merged-by: Alex Pennells <apennells@gitlab.com>
Approved-by: Robert Hunt <rhunt@gitlab.com>
Approved-by: Alex Pennells <apennells@gitlab.com>
Reviewed-by: Robert Hunt <rhunt@gitlab.com>
Reviewed-by: Daniele Rossetti <drossetti@gitlab.com>
Reviewed-by: Alex Pennells <apennells@gitlab.com>
Co-authored-by: Daniele Rossetti <drossetti@gitlab.com>