Add rpi5 #211

Job	Run time
build-github-hosted (ubuntu-latest, 16.x)	35s
build-github-hosted (ubuntu-latest, 18.x)	34s
build-github-hosted (ubuntu-latest, 20.x)	31s
build-github-hosted (windows-latest, 16.x)	2m 52s
build-github-hosted (windows-latest, 18.x)	3m 0s
build-github-hosted (windows-latest, 20.x)	2m 50s
build-github-hosted (macos-latest, 16.x)	53s
build-github-hosted (macos-latest, 18.x)	57s
build-self-hosted (rpi2)	3m 26s
build-github-hosted (macos-latest, 20.x)	1m 6s
build-self-hosted (rpi3-32)	5m 33s
build-self-hosted (rpi3-64)	5m 32s
build-self-hosted (rpi4-32)	2m 13s
build-self-hosted (rpi4-64)	1m 19s
build-self-hosted (jetson)	2m 37s
build-self-hosted (beaglebone)	7m 10s
	41m 8s

Provide feedback