Bump version to v0.4.9 #1293

Job	Run time
macos-aarch64	4m 12s
macos-x86_64	5m 56s
sdist	33s
windows (x86_64-pc-windows-msvc, x64)	3m 53s
windows (i686-pc-windows-msvc, x86)	3m 54s
windows (aarch64-pc-windows-msvc, x64)	3m 48s
linux (x86_64-unknown-linux-gnu)	4m 36s
linux-cross (aarch64-unknown-linux-gnu, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	7m 2s
linux (i686-unknown-linux-gnu)	7m 8s
linux-cross (armv7-unknown-linux-gnueabihf, armv7)	6m 34s
linux-cross (s390x-unknown-linux-gnu, s390x)	6m 54s
musllinux (x86_64-unknown-linux-musl)	4m 59s
musllinux (i686-unknown-linux-musl)	4m 5s
linux-cross (powerpc64le-unknown-linux-gnu, ppc64le, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	7m 8s
musllinux-cross (aarch64-unknown-linux-musl, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	5m 53s
linux-cross (powerpc64-unknown-linux-gnu, ppc64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	5m 2s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	5m 2s
Push Docker image ghcr.io/astral-sh/ruff	13m 4s
Validate tag	0s
Upload to PyPI	0s
Tag release	0s
Publish to GitHub	0s
Update dependents	0s
	1h 39m 43s

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