fix: reject utf8 emails in transactional endpoint (#2270) #901

Job	Run time
Escape commit message to send in slack	1s
Deploy backend to AWS Elastic Beanstalk / lint-test	3m 40s
Deploy backend to AWS Elastic Beanstalk / set_environment	1s
Deploy frontend to AWS Amplify / deploy-frontend	5m 12s
Deploy worker to AWS Elastic Container Service / lint	1m 5s
Deploy worker to AWS Elastic Container Service / set_environment	1s
Send slack message when deployment starts	8s
Deploy worker to AWS Elastic Container Service / build_application	2m 19s
Deploy worker to AWS Elastic Container Service / deploy_sending	5m 36s
Deploy worker to AWS Elastic Container Service / deploy_logging	3m 58s
Deploy backend to AWS Elastic Beanstalk / build_application	2m 30s
Deploy backend to AWS Elastic Beanstalk / deploy_backend	12m 31s
Deploy backend to AWS Elastic Beanstalk / deploy_callback	10m 29s
End-to-end Test / set_environment	1s
End-to-end Test / playwright-run	48s
Send Slack message about failed build and tag engineers if it's prod	3s
Send Slack message about successful build	0s
	48m 23s

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