* update to alerting 20230418161049-5f374e58cb32
* rename renamed structs in https://github.com/grafana/alerting/pull/73
* update ValidateContactPoint to use BuildReceiverConfiguration
* update logger factory according to changes
* rewrite integration builder
Co-authored-by: Santiago <santiagohernandez.1997@gmail.com>
* introduce Logger interface local to channles + implementaton that wraps the Grafana logger
* make NewFactoryConfig accept LoggerFactory
* add logger field to FactoryConfig
* update usages of log.Logger to internal interface
