feat: simplify board and port handling #3534

Job	Run time
run-determination	1s
build (windows-2019)	32m 42s
build (ubuntu-20.04)	13m 18s
build (macos-latest)	42m 53s
Linux_X86-64_zip artifact	2m 18s
Linux_X86-64_app_image artifact	2m 20s
macOS_dmg artifact	2m 9s
macOS_zip artifact	1m 45s
Windows_X86-64_interactive_installer artifact	1m 31s
Windows_X86-64_MSI artifact	1m 48s
Windows_X86-64_zip artifact	2m 2s
changelog	8s
publish	0s
release	0s
clean	2s
	1h 42m 57s

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