chore(deps): update actions/setup-python digest to 8d9ed9a #324

Job	Run time
pre-commit	14s
check • x64-linux • gcc-14 • c++20 • Debug	1m 14s
check • x64-mingw-dynamic • mingw • c++20 • RelWithDebInfo	3m 38s
check • x64-linux • gcc-14 • c++20 • RelWithDebInfo	1m 22s
check • x64-mingw-dynamic • mingw • c++20 • Debug	6m 5s
check • x64-linux • llvm-18 • c++20 • RelWithDebInfo	1m 35s
check • x64-linux • llvm-18 • c++20 • Debug	1m 29s
check • x64-windows • msvc-2022 • c++20 • Debug	3m 0s
clang-tidy	2m 57s
check • x64-windows • llvm-18 • c++20 • Debug	3m 51s
check • x64-windows • msvc-2022 • c++20 • RelWithDebInfo	2m 31s
check • x64-windows • llvm-18 • c++20 • RelWithDebInfo	5m 9s
cppcheck	4m 48s
check-docs	4m 58s
codecov	1m 22s
check • sanitizers • address,undefined • RelWithDebInfo	1m 26s
check • sanitizers • address,undefined • Debug	1m 32s
check • valgrind • Debug	1m 26s
check • valgrind • RelWithDebInfo	2m 4s
format('check • {0} • {1} • c++{2} • {3}', matrix.triplet, matrix.compiler, matrix.std, matrix.build_type)	0s
pass	6s
	50m 47s

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