Options: Add support for parsing double dot in ratio #7532

Job	Run time
Update LFS data cache	1m 24s
external-build	2m 38s
android (armeabi-v7a)	2m 42s
android (arm64-v8a)	2m 43s
android (x86)	3m 1s
android (x86_64)	2m 44s
macos (commit)	2m 14s
linux (commit, standard)	2m 11s
linux (v9.4.0, standard)	1s
macos (v9.4.0)	1s
linux (v9.3.1, standard)	37s
macos (v9.3.1)	1s
windows (commit, no-static)	2m 15s
linux (v9.2.6, standard)	53s
macos (v9.2.6)	2m 13s
macos_arm (commit, no-bundle, no-static)	1s
windows (v9.4.0, no-static)	2m 6s
linux (egl, commit, raytracing, optional-deps, no-exclude-deprecated, egl, no-static)	2m 13s
macos_arm (v9.4.0, no-bundle, no-static)	1s
windows (v9.3.1, no-static)	2m 14s
linux (osmesa, commit, raytracing, optional-deps, no-exclude-deprecated, osmesa, no-static)	53s
macos_arm (v9.3.1, no-bundle, no-static)	1s
windows (v9.2.6, no-static)	2m 6s
linux (exclude_deprecated, commit, raytracing, optional-deps, exclude-deprecated, auto, no-static)	2m 11s
macos_arm (commit, bundle, no-static)	1s
macos_arm (commit, no-bundle, static)	1s
linux (no_optional_deps, commit, no-raytracing, no-optional-deps, no-exclude-deprecated, auto, no...	2m 10s
windows (commit, static)	2m 9s
linux (static_libs, commit, no-raytracing, optional-deps, no-exclude-deprecated, auto, static)	57s
coverage	1s
python-packaging (ubuntu-latest)	1s
python-packaging (windows-latest)	1s
static-analysis	1s
python-packaging (macos-13)	1s
sanitizer (address)	1s
sanitizer (thread)	1s
sanitizer (undefined)	1s
	42m 50s

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