Feature:3963 Step HeartBeat components

[Json-Andriopoulos]

• Backend heartbeat support (DB, API)
• Heartbeat monitoring worker

Describe changes

I implemented/fixed _ to achieve _.

Pre-requisites

Please ensure you have done the following:

• I have read the CONTRIBUTING.md document.
• I have added tests to cover my changes.
• I have based my new branch on develop and the open PR is targeting develop. If your branch wasn't based on develop read Contribution guide on rebasing branch to develop.
• IMPORTANT: I made sure that my changes are reflected properly in the following resources:
  • ZenML Docs
  • Dashboard: Needs to be communicated to the frontend team.
  • Templates: Might need adjustments (that are not reflected in the template tests) in case of non-breaking changes and deprecations.
  • Projects: Depending on the version dependencies, different projects might get affected.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other (add details above)

[Json-Andriopoulos]

TODO: Improve this. For sure try to capture HTTP errors in more verbose logs to avoid excessive log generation if the error is for instance server raising 500 status code.