chore(version): `0.4.0b3` #1000

Job	Run time
set-variables	7s
config-workflows	5s
test-docs-build (3.11)	1m 33s
build-nix-images	0s
execute-workflow	0s
test-bazel	9m 16s
test-nix	13m 19s
test-python (3.11, false)	10m 58s
test-python (3.12, true)	12m 19s
release	1m 7s
publish-nix-flake	1m 34s
build-release-docs (3.11)	1m 29s
publish-pypi	28s
publish-release-images / build	34m 5s
publish-docs	7s
	1h 26m 27s

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