apply bitflagset #107

Job	Run time
Run tests under miri	6m 5s
Ensure compilation on various targets	10m 43s
Check the WASM package and demo	7m 23s
Lint Rust & Python code	9m 40s
Run snippets and cpython tests (windows-2025)	11m 44s
Run snippets and cpython tests (ubuntu-latest)	5m 58s
Run rust tests (ubuntu-latest)	27m 25s
Run snippets and cpython tests on wasm-wasi	3m 52s
Run snippets and cpython tests (macos-latest)	5m 42s
Run rust tests (windows-2025)	36m 19s
Run rust tests (macos-latest)	11m 49s
	2h 16m 40s

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