Refactoring cron job

[0xSasaPrsic]

Refactor the cron job that runs every x minutes filters all bridge-related transactions and stores them in the db.
Remove coupling from the bridge api.
Cron job must emit metrics that will be used for monitoring purposes and on every run sum the number of transactions that were processed.

Subtask of: https://github.com/orgs/availproject/projects/2/views/27?pane=issue&itemId=74596842