Mispsight

Improved monitoring.

Added logging for process start and end.

This release introduces the capability to report errors, warnings,
and heartbeats to a Valkey datastore, facilitating centralized monitoring.

Updated PyVulnerabilityLookup.

- The client PyVulnerabilityLookup is now used in order to communicate with the API of the Vulnerability-Lookup instance.
- When a duplicate sighting is detected a message is printed.
- Improved management of UTC aware Datetime objects.

First working prototype - production ready.