Add rpi5 #87

Job	Run time
build-filedemo-github-hosted (ubuntu-latest)	40s
build-filedemo-self-hosted (rpi2)	1m 45s
build-filedemo-github-hosted (windows-latest)	2m 3s
build-micdemo-github-hosted (ubuntu-latest)	55s
build-filedemo-self-hosted (rpi3-32)	1m 12s
build-micdemo-self-hosted (rpi2)	4m 9s
build-micdemo-github-hosted (windows-latest)	2m 4s
build-filedemo-github-hosted (macos-latest)	1m 16s
build-filedemo-self-hosted (rpi3-64)	1m 24s
build-micdemo-self-hosted (rpi3-32)	3m 22s
build-micdemo-github-hosted (macos-latest)	1m 49s
build-filedemo-self-hosted (rpi4-32)	33s
build-micdemo-self-hosted (rpi3-64)	3m 6s
build-filedemo-self-hosted (rpi4-64)	34s
build-micdemo-self-hosted (rpi4-32)	1m 14s
build-filedemo-self-hosted (rpi5-64)	1m 37s
build-micdemo-self-hosted (rpi4-64)	1m 26s
build-filedemo-self-hosted (jetson)	37s
build-micdemo-self-hosted (rpi5-64)	39s
build-filedemo-self-hosted (beaglebone)	2m 45s
build-micdemo-self-hosted (jetson)	1m 23s
build-micdemo-self-hosted (beaglebone)	5m 20s
	39m 53s

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