Add a simple command API #6743

Job	Run time
Update LFS data cache	1m 11s
external-build	1m 40s
android (armeabi-v7a)	1m 48s
android (arm64-v8a)	1m 50s
android (x86)	1m 54s
android (x86_64)	1m 51s
linux (commit, standard)	8m 10s
linux (v9.3.1, standard)	6m 6s
linux (v9.2.6, standard)	5m 36s
linux (egl, commit, raytracing, optional-deps, no-exclude-deprecated, egl, no-static)	7m 29s
linux (osmesa, commit, raytracing, optional-deps, no-exclude-deprecated, osmesa, no-static)	7m 33s
macos (commit)	14m 25s
windows (commit, no-static)	10m 4s
linux (exclude_deprecated, commit, raytracing, optional-deps, exclude-deprecated, auto, no-static)	8m 43s
macos (v9.3.1)	10m 1s
macos_arm (commit, no-bundle, no-static)	4m 46s
windows (v9.3.1, no-static)	8m 56s
linux (no_optional_deps, commit, no-raytracing, no-optional-deps, no-exclude-deprecated, auto, no...	6m 1s
macos (v9.2.6)	7m 54s
macos_arm (v9.3.1, no-bundle, no-static)	5m 11s
windows (v9.2.6, no-static)	8m 40s
linux (static_libs, commit, no-raytracing, optional-deps, no-exclude-deprecated, auto, static)	7m 18s
macos_arm (commit, bundle, no-static)	5m 35s
windows (commit, static)	9m 40s
macos_arm (commit, no-bundle, static)	5m 15s
coverage	8m 0s
python-packaging (ubuntu-latest)	2m 51s
sanitizer (address)	10m 27s
python-packaging (windows-latest)	5m 25s
sanitizer (thread)	15m 5s
python-packaging (macos-13)	3m 22s
static-analysis	4m 30s
sanitizer (undefined)	7m 40s
	3h 34m 57s

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