Update version to 1.4.9-4 #103

Job	Run time
lint / lint	4m 11s
test / test (job 1)	3m 2s
test / test (job 2)	2m 32s
test / Shell tests	1m 59s
test / test (job 3)	2m 44s
test / Storybook tests	3m 4s
typecheck / typecheck	4m 22s
confirmPassingBuild	5s
chooseDeployActions	9s
skipDeploy	3s
createNewVersion	0s
e2ePerformanceTests / Build apk from latest release as a baseline	1s
e2ePerformanceTests / Build apk from delta ref	1s
updateStaging	0s
e2ePerformanceTests / Run E2E tests in AWS device farm	0s
	22m 13s

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