String conversion bug fix #66

Job	Run time
deploy / Setup	4s
deploy / build-gcp (production) / Build GCP (production)	2m 16s
deploy / build-gcp (staging) / Build GCP (staging)	2m 49s
deploy / build-aws	0s
deploy / deploy-production-aws	-1s
deploy / deploy-staging-aws	-1s
deploy / deploy-gcp-staging / Deploy (staging)	25s
deploy / deploy-gcp-production / Deploy (production)	37s
	6m 9s

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