Merge pull request #233 from lucarin91/matrix-write-signature #682

Job	Run time
Build and package cores	9m 30s
Split off zephyr_contrib	9s
Split off zephyr_main	7s
Split off zephyr	13s
Split off zephyr_unoq	7s
Test zephyr_main:giga	2m 36s
Test zephyr_main:opta	2m 36s
Test zephyr_main:nano33ble	2m 41s
Test zephyr_main:portentac33	2m 30s
Test zephyr_main:portentah7	2m 28s
Test zephyr_main:niclasense	2m 28s
Test zephyr_contrib:frdm_mcxn947	2m 22s
Test zephyr_contrib:ek_ra8d1	2m 21s
Test zephyr_contrib:frdm_rw612	2m 26s
Test zephyr:unoq	1m 51s
Collect logs	5s
Publish jsons	16s
Publish core	13s
verify-core	0s
cleanup-artifacts	3s
	35m 2s

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