ci: test rake-compiler-dock edge in the upstream workflow #1088

Job	Run time
xmlsoft-head (ubuntu)	1m 34s
xmlsoft-head (windows)	9m 47s
xmlsoft-head (macos)	1m 25s
xmlsoft-head-valgrind	6m 52s
html5lib-tests	1m 0s
jruby-head	37s
ruby-head (ubuntu, enable)	41s
ruby-head-valgrind (disable)	5m 58s
ruby-head (ubuntu, disable)	50s
truffleruby-head (--disable-system-libraries --disable-static)	3m 2s
ruby-head (windows, enable)	3m 27s
truffleruby-head (--disable-system-libraries --enable-static)	2m 57s
truffleruby-head (--enable-system-libraries)	2m 24s
ruby-head (windows, disable)	3m 46s
ruby-head (macos, enable)	32s
ruby-head (macos, disable)	37s
rake-compiler-dock / aarch64-linux	2m 21s
rake-compiler-dock / arm-linux	2m 19s
rake-compiler-dock / arm64-darwin	2m 47s
rake-compiler-dock / x64-mingw-ucrt	3m 47s
rake-compiler-dock / x64-mingw32	2m 43s
rake-compiler-dock / x86-linux	1m 58s
rake-compiler-dock / x86-mingw32	4m 0s
rake-compiler-dock / x86_64-darwin	2m 53s
rake-compiler-dock / x86_64-linux	1m 53s
	1h 10m 10s

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