Bump version to `v0.4.5` #1275

Job	Run time
Push Docker image ghcr.io/astral-sh/ruff	3m 40s
linux (x86_64-unknown-linux-gnu)	3m 41s
macos-aarch64	3m 34s
linux (i686-unknown-linux-gnu)	3m 40s
linux-cross (aarch64-unknown-linux-gnu, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	3m 34s
linux-cross (armv7-unknown-linux-gnueabihf, armv7)	3m 35s
macos-x86_64	3m 33s
linux-cross (s390x-unknown-linux-gnu, s390x)	5m 12s
musllinux (x86_64-unknown-linux-musl)	3m 33s
musllinux-cross (aarch64-unknown-linux-musl, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	3m 33s
linux-cross (powerpc64le-unknown-linux-gnu, ppc64le, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	3m 39s
musllinux (i686-unknown-linux-musl)	3m 35s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	3m 37s
linux-cross (powerpc64-unknown-linux-gnu, ppc64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	3m 35s
sdist	3m 45s
Validate tag	0s
windows (x86_64-pc-windows-msvc, x64)	3m 31s
windows (i686-pc-windows-msvc, x86)	3m 33s
windows (aarch64-pc-windows-msvc, x64)	3m 32s
Upload to PyPI	1s
Tag release	1s
Publish to GitHub	1s
Update dependents	1s
	1h 6m 26s

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