Introduce kittest for automated UI testing and git-lfs for UI snapshot handling #14884

Job	Run time
paths-filter	5s
Checks / Check if running codegen would produce any changes	1m 11s
Checks / Rerun lints	28s
Checks / Lint markdown	24s
Checks / Spell Check	6s
Checks / Misc formatting	24s
Checks / markdown-paths-filter	5s
Build rerun_js / Build rerun_js	3m 7s
Build web viewer / Build web viewer	3m 10s
C++ tests / matrix_prep	5s
C++ tests / C++ formatting check	4m 23s
Deploy Landing Preview / Deploy	1m 4s
Minimum CLI Build / Set Config (linux-x64)	1s
Python Checks / Python lints (ruff, mypy, …)	34s
Python Checks / Test Python Docs	20s
Rust Checks / Rust lints (fmt, check, clippy, tests, doc)	9m 16s
Rust Checks / Test on ${{ matrix.name }}	0s
Minimum CLI Build / Build rerun-cli (ubuntu-latest-16-cores)	5m 11s
Checks / Check links	26s
C++ tests / C++ build & test - Linux x64, C++17	5m 34s
C++ tests / C++ build & test - Linux x64, C++20	5m 29s
C++ tests / C++ build & test - Windows x64	12m 37s
C++ tests / C++ build & test - Mac aarch64	13m 6s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	9s
Minimum Wheel Build / Set Config (linux-x64)	2s
Minimum Wheel Build / Build Wheels (ubuntu-latest-16-cores)	2m 13s
Minimum Wheel Test / Set Config (linux-x64)	2s
Minimum Wheel Test / Test Wheels (ubuntu-latest-16-cores)	3m 20s
	1h 12m 52s

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