Tests

Use more specific type #1137

Job	Run time
Up-to-date mocks	2m 3s
Up-to-date protobuf	18s
e2e	7m 4s
Protobuf Lint	5s
e2e_existing_network	3m 20s
Fuzz	12m 28s
Up-to-date go.mod and go.sum	11s
Lint	2m 55s
Upgrade	1m 56s
Unit (macos-12)	9m 2s
Unit (ubuntu-20.04)	4m 37s
Unit (ubuntu-22.04)	4m 30s
Unit (windows-2022)	8m 39s
Unit (self-hosted, linux, ARM64, focal)	1m 6s
Unit (self-hosted, linux, ARM64, jammy)	1m 4s
	59m 18s

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