Bump astral-sh/setup-uv from 3 to 4 #106

Job	Run time
get commit message	3s
create sdist	23s
test editable install	10m 27s
build wheels on ubuntu-latest native	1m 41s
build wheels on windows-latest native	2m 48s
build wheels on ${{ matrix.os }} ${{ matrix.arch }}	0s
build wheels on macos-13 native	2m 15s
build wheels on macos-latest native	55s
test pip pre-release - py3.13	10m 6s
test wheels on ubuntu-latest - py3.10	9m 35s
run twine check	19s
test wheels on ubuntu-latest - py3.13	9m 41s
build documentation	6m 16s
test mne compat 1.4.2 - py3.10	9m 14s
test wheels on windows-latest - py3.10	14m 3s
test mne compat 1.5.0 - py3.10	9m 22s
test wheels on windows-latest - py3.13	14m 57s
test wheels on macos-13 - py3.10	12m 43s
test wheels on macos-latest - py3.10	11m 30s
test wheels on macos-latest - py3.13	11m 42s
deploy development documentation	0s
deploy stable documentation	0s
publish to PyPI	0s
	2h 18m 0s

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