Make statistics by class

[SBOne-Kenobi]

Description

What changed:

• fixed serialization format
• provided possibility of monitoring several projects
• provided possibility of control fuzzing work time
• prepared some scripts and ci for sending data to grafana
• some little fixes

Fixes #1194

Type of Change

Please delete options that are not relevant.

• Minor bug fix (non-breaking small changes)
• Refactoring (typos and non-functional changes)
• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Manual Scenario

Create fork with this branch and run github action task.

Checklist:

• The change followed the style guidelines of the UTBot project
• Self-review of the code is passed
• The change contains enough commentaries, particularly in hard-to-understand areas
• New documentation is provided or existed one is altered