chore: update github actions/upload-artifact to v4 #924

Job	Run time
Escape commit message to send in slack	1s
Deploy backend to AWS Elastic Beanstalk / lint-test	3m 36s
Deploy backend to AWS Elastic Beanstalk / set_environment	1s
Deploy frontend to AWS Amplify / deploy-frontend	5m 50s
Deploy worker to AWS Elastic Container Service / lint	1m 9s
Deploy worker to AWS Elastic Container Service / set_environment	1s
Send slack message when deployment starts	6s
Deploy worker to AWS Elastic Container Service / build_application	2m 25s
Deploy backend to AWS Elastic Beanstalk / build_application	2m 23s
Deploy worker to AWS Elastic Container Service / deploy_sending	11m 53s
Deploy worker to AWS Elastic Container Service / deploy_logging	4m 14s
Deploy backend to AWS Elastic Beanstalk / deploy_backend	5m 37s
Deploy backend to AWS Elastic Beanstalk / deploy_callback	8m 3s
End-to-end Test / set_environment	1s
End-to-end Test / playwright-run	50s
Send Slack message about failed build and tag engineers if it's prod	3s
Send Slack message about successful build	0s
	46m 13s

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