Rename assets #196

Job	Run time
Generate string containing the current date	1s
Determine next release version	23s
build (thingy91.low-power.memfault)	4m 54s
build (nrf9160dk.low-power.memfault)	5m 9s
build (thingy91.debug)	5m 11s
build (nrf9160dk.debug)	5m 12s
build (thingy91.low-power.solar.memfault)	2m 32s
build (thingy91.debug.solar)	4m 38s
build (thingy91.low-power.memfault.nbiot)	5m 0s
build (thingy91.debug.nbiot)	4m 40s
build (thingy91.low-power.memfault.nbiot.legacy_pco)	2m 31s
build (thingy91.debug.nbiot.legacy_pco)	4m 33s
build (thingy91x.wifi)	2m 23s
build (thingy91x.low-power.wifi)	2m 28s
Release	1s
	49m 36s

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