[receiver/azure_functions] Initial implementation to receive logs from Azure Functions triggered by Event Hub#47050

tetianakravchenko wants to merge 17 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-collector-contrib:mainfrom

tetianakravchenko:azurefunctions-eventhubtetianakravchenko/opentelemetry-collector-contrib:azurefunctions-eventhubCopy head branch name to clipboard