fix: missing length check in value declaration #6437

Job	Run time
Run Main (autocounterd) / Go Linter / lint	36s
Run Main (autocounterd) / Go Test / test	31s
Run Main (autocounterd) / Go Build / generated	6s
Run Main (docker-integration) / Go Linter / lint	9s
Run Main (docker-integration) / Go Build / generated	5s
Run Main (docker-integration) / Go Test / test	16s
Run Main (genproto) / Go Build / generated	6s
Run Main (genproto) / Go Linter / lint	36s
Run Main (genproto) / Go Test / test	36s
Run Main (genstd) / Go Linter / lint	20s
Run Main (genstd) / Go Build / generated	5s
Run Main (genstd) / Go Test / test	23s
Run Main (goscan) / Go Build / generated	5s
Run Main (goscan) / Go Linter / lint	16s
Run Main (goscan) / Go Test / test	16s
Run Main (logos) / Go Build / generated	7s
Run Main (logos) / Go Test / test	48s
Run Main (logos) / Go Linter / lint	33s
Run Main (loop) / Go Build / generated	8s
Run Main (loop) / Go Linter / lint	33s
Run Main (loop) / Go Test / test	41s
	7m 16s

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