* name field must match either k8s regex or grafana legacy uid regex. Adds tests.
* moves invalid test to being valid
* uses new US naming validation for kv store validation
* fix function name and update key regex
* fix comment
* use correct errs var
* updates kv key tests
* Adds pruner for eventstore - default 24 hours. Adds tests.
* update comment
* remove delay on startup. formatting
* updates log message type and removes useless comment
* caller handles goroutine for runCleanupOldEvents()
* simplify timestamp extraction
* adds config for event pruning interval
* uses start and end key to get all expired events
* remove sort when listing keys in event pruner - order doesnt matter
* use snowflake constants
* log when we delete 0 rows
* pass time.Time to cleanup old events func
Georges Chaudy
owensmallwood
Will AssisandGeorges Chaudy