runtime(doc): Fill in a few details regarding :enums #15818

Job	Run time
windows (HUGE, msvc, no, no, x64, stable)	7m 12s
macos (tiny, macos-latest)	1m 23s
windows (HUGE, mingw, yes, yes, x86, stable, yes)	12m 42s
linux (tiny, clang, native)	2m 10s
macos (tiny, macos-14)	44s
windows (HUGE, msvc, no, yes, x86)	8m 43s
linux (tiny, gcc, native)	1m 49s
macos (normal, macos-latest)	7m 24s
linux (normal, clang, native)	5m 39s
macos (normal, macos-14)	4m 55s
macos (huge, macos-latest)	14m 18s
linux (normal, gcc, native)	5m 6s
windows (HUGE, mingw, yes, no, x64, yes)	10m 24s
macos (huge, macos-14)	13m 13s
windows (NORMAL, msvc, yes, no, x86)	7m 30s
windows (NORMAL, mingw, no, yes, x64)	9m 49s
linux (huge, clang, native)	9m 6s
windows (TINY, msvc, yes, yes, x64)	2m 6s
linux (huge, gcc, native)	10m 21s
windows (TINY, mingw, no, no, x86)	3m 38s
linux (tiny, clang, nogui)	1m 26s
linux (tiny, gcc, nogui)	1m 18s
linux (normal, gcc, i386, ./src/shadow)	6m 28s
linux (huge, gcc, uchar, testgui, true, dynamic)	9m 11s
linux (huge, clang, asan, 5.1)	16m 17s
linux (huge, gcc, unittests, true)	2m 13s
linux (normal, gcc, vimtags)	1m 53s
	2h 56m 58s

Provide feedback