Source Tempo: Migrate connector from Alpha (Python) to Beta (YAML)

[lazebnyi]

The main purpose of this issue is to track release progress for the connector.

According to the checklist:

• MLP improvements:
• All outstanding bug reports blocking GA: --

Acceptance criteria

• Create a checklist document that should be placed on the Google Drive
• Checklist filled up by engineering team
• Collect and list all tech debt-related issues in the section below
• Create/Revise MLP document and place it here
• Move checklist to the unblockers team
• Reviewed/Updated by unblockers team
• Move checklist to the product team for review
• Reviewed/Updated by product team
• Update connector documentation according to the comments in the checklist
• Certification completed