Build

submodule: bump openthread from `b301a4c` to `aba7aed` #1956

Job	Run time
Docker / metadata / Generate required metadata	1s
Docker / Build	3m 32s
Docker / Tag `latest` and publish to DockerHub	0s
Arm GNU Toolchain 12.2.Rel1	18m 33s
Arm GNU Toolchain 12.3.Rel1	15m 45s
	37m 51s

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