Build

submodule: bump openthread from `bd310db` to `d015004` #2345

Job	Run time
Docker / metadata / Generate required metadata	1s
Docker / Build	2m 50s
Arm GNU Toolchain 12.2.Rel1	19m 3s
Arm GNU Toolchain 12.3.Rel1	18m 34s
DockerHub Publish	0s
	40m 28s

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