Update documentation for stacktrace_frames #966

Job	Run time
test-linux-add_subdirectory (On)	27s
test-linux-add_subdirectory (Off)	23s
test-linux-fetchcontent (On)	35s
test-linux-findpackage (On)	17s
test-linux-fetchcontent (Off)	38s
test-linux-findpackage (Off)	17s
test-macos-fetchcontent (On)	25s
test-macos-findpackage (On)	22s
test-macos-fetchcontent (Off)	35s
test-macos-findpackage (Off)	23s
test-macos-add_subdirectory (On)	24s
test-mingw-add_subdirectory (On)	2m 2s
test-macos-add_subdirectory (Off)	24s
test-mingw-add_subdirectory (Off)	2m 48s
test-mingw-fetchcontent (On)	2m 16s
test-mingw-fetchcontent (Off)	1m 57s
test-mingw-findpackage (On)	1m 53s
test-mingw-findpackage (Off)	1m 33s
test-windows-add_subdirectory (On)	1m 45s
test-windows-fetchcontent (On)	2m 4s
test-windows-add_subdirectory (Off)	48s
test-windows-fetchcontent (Off)	1m 48s
test-windows-findpackage (On)	1m 3s
test-windows-findpackage (Off)	1m 28s
	26m 35s

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