Use sentence case in options descriptions consistently #97570

Job	Run time
matrix-variables	1s
skip-duplicates-code	6s
skip-duplicates-data	6s
Basic Build and Test (Clang 10, Ubuntu, Curses)	1h 1m 35s
Clang 14, macOS 12, Tiles, Sound, x64 and arm64 Universal Binary	1h 19m 41s
GCC 9, Curses, LTO	58m 37s
Clang 12, Ubuntu, Tiles, ASan	1h 35m 1s
GCC 11, Ubuntu, Curses, ASan	2h 34m 44s
GCC 12, Ubuntu cross-compile to MinGW-Win64, Tiles, Sound	1h 13m 41s
GCC 9, Ubuntu, Tiles, Sound, CMake	21m 42s
emscripten / Build	1h 52m 22s
	10h 57m 36s

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