Update the post-release checklist to mention rgbds-live #4240

Job	Run time
macos-static	2m 42s
windows-mingw-build (32)	59s
windows (32, windows-2019)	5m 24s
windows-mingw-build (64)	1m 0s
windows (32, windows-2022)	5m 37s
windows (64, windows-2019)	4m 58s
windows (64, windows-2022)	5m 45s
cygwin (32)	4m 48s
cygwin (64)	4m 49s
freebsd	5m 33s
unix (ubuntu-20.04, g++, make)	5m 41s
unix (ubuntu-20.04, g++, cmake)	6m 0s
unix (ubuntu-20.04, clang++, make)	6m 16s
unix (ubuntu-20.04, clang++, cmake)	6m 23s
unix (ubuntu-22.04, g++, make)	6m 23s
unix (ubuntu-22.04, g++, cmake)	6m 21s
unix (ubuntu-22.04, clang++, make)	4m 24s
unix (ubuntu-22.04, clang++, cmake)	4m 35s
unix (macos-14, clang++, make)	7m 4s
unix (macos-14, clang++, cmake)	6m 58s
windows-mingw-testing (windows-2019, 32)	4m 9s
windows-mingw-testing (windows-2019, 64)	3m 35s
windows-mingw-testing (windows-2022, 32)	4m 34s
windows-mingw-testing (windows-2022, 64)	4m 28s
	1h 58m 26s

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