Move cleanup tasks from MitreID into IAM codebase

[enricovianello]

Cleanup tasks were defined and a bit hardcoded into MitreID codebase. Those tasks can now be configured and are contained into IAM codebase.

Property name (Environment variable name)	Property description	Property default value
task.tokenCleanupPeriodMsec IAM_TOKEN_CLEANUP_PERIOD_MSEC	Interval between 2 executions of token removal task	300000 (ms)
task.tokenCleanupCount IAM_TOKEN_CLEANUP_COUNT	(New) Amount of access and refresh expired tokens to be deleted each time the task runs	100
task.approvalCleanupPeriodMsec IAM_APPROVAL_CLEANUP_PERIOD_MSEC	Interval between 2 executions of expired sites removal task.	300000 (ms)
task.deviceCodeCleanupPeriodMsec IAM_DEVICE_CODE_CLEANUP_PERIOD_MSEC	Interval between 2 executions of expired codes for device code removal task.	300000 (ms)
task.authorizationCodeCleanupPeriodMsec IAM_AUTHORIZATION_CODE_CLEANUP_PERIOD_MSEC	(New) Interval between 2 executions of expired authorization codes removal task.	300000 (ms)
task.authorizationCodeCleanupCount IAM_AUTHORIZATION_CODE_CLEANUP_COUNT	(New) Amount of expired authorization codes to be deleted each time the task runs	100
task.authenticationHolderCleanupPeriodMsec IAM_AUTHENTICATION_HOLDER_CLEANUP_PERIOD_MSEC	(New) Interval between 2 executions of the task dedicated to remove the unused AuthenticationHolder entries.	300000 (ms)
task.authenticationHolderCleanupCount IAM_AUTHENTICATION_HOLDER_CLEANUP_COUNT	(New) Amount of AuthenticationHolder entries to be deleted each time the task runs	100

This PR also adds more missing foreign keys.