Build

submodule: bump openthread from `e913c7d` to `5493815` #1993

Job	Run time
Docker / metadata / Generate required metadata	1s
Docker / Build	3m 5s
Docker / Tag `latest` and publish to DockerHub	0s
Arm GNU Toolchain 12.2.Rel1	9m 7s
Arm GNU Toolchain 12.3.Rel1	9m 56s
	22m 9s

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