feat: simplify board and port handling #3566

Job	Run time
run-determination	1s
build (windows-2019)	44m 20s
build (ubuntu-20.04)	12m 54s
build (macos-latest)	31m 14s
Linux_X86-64_zip artifact	1m 50s
Linux_X86-64_app_image artifact	2m 39s
macOS_dmg artifact	1m 53s
macOS_zip artifact	2m 11s
Windows_X86-64_interactive_installer artifact	1m 37s
Windows_X86-64_MSI artifact	2m 17s
Windows_X86-64_zip artifact	2m 16s
changelog	11s
release	0s
publish	0s
clean	2s
	1h 43m 25s

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