CI/CD

fix get metadata call for better handling users without email #654

Job	Run time
Build	1m 24s
Lint	3m 23s
Verify Dockerfile (eskimo, linux/amd64)	1m 33s
Benchmark (users)	12s
Verify Dockerfile (eskimo-hut, linux/amd64)	1m 25s
Benchmark (cmd/eskimo)	13s
Benchmark (cmd/eskimo-hut)	19s
Test (users)	10s
Benchmark (users/internal/device/metadata)	12s
Verify Auto Generated	43s
Test (cmd/eskimo)	11s
Verify Latest Versions	34s
Test (cmd/eskimo-hut)	12s
Verify Licensing	16s
Test (users/internal/device/metadata)	12s
PR	4s
Release	0s
Push Docker	0s
Trigger Deployment	0s
	11m 3s

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