Is your feature request related to a problem? Please describe.
When an activity has to be edited, for instance trimmed or stitched together as gps turned off. The first version of the activity remain present in garmin-grafana - rather than the new one

Describe the solution you'd like
a way to either easily delete an activity and/or to force fresh data for a day

Describe alternatives you've considered
manual deletion however that seems more challenging

Additional context