build: bump testcafe to 2.6.2, typescript to 4.7.4, and downstream fixes #6236

Job	Run time
Test	2m 1s
End To End Tests	16m 40s
Integration Tests	5m 42s
CI	2m 34s
Determine if Build & Deploy is needed	1s
Build and push for health	3m 28s
Upload sourcemap to Sentry	2m 6s
Build and push for gogov	3m 33s
Build and push for edu	3m 33s
Deploy to Elastic Beanstalk and AWS Lambda for health	2m 59s
Deploy to Elastic Beanstalk and AWS Lambda for edu	2m 56s
Deploy to Elastic Beanstalk and AWS Lambda for gogov	2m 59s
	48m 32s

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