build(deps): bump bytemuck from 1.19.0 to 1.20.0 #1413

Job	Run time
Rustfmt	22s
clippy	1m 34s
Check	1m 38s
coverage	2m 59s
Test Suite (self-hosted, linux, x64, intel)	3m 37s
Test Suite (ubuntu-latest-arm-8-cores, --cfg=aes_armv8)	6m 43s
Test Suite (self-hosted, macos, arm64, --cfg=aes_armv8)	5m 10s
Test Suite (macos-13, stable)	10m 20s
Test Suite (windows-2019)	9m 43s
Build library (self-hosted, linux, x64, intel, libpost.so, libpost.a, linux)	2m 6s
Build library (ubuntu-latest-arm-8-cores, libpost.so, libpost.a, --cfg=aes_armv8, linux-arm64)	2m 45s
Build library (self-hosted, macos, arm64, libpost.dylib, libpost.a, --cfg=aes_armv8, macos-m1)	3m 17s
Build library (macos-13, libpost.dylib, libpost.a, macos)	4m 40s
Build library (windows-2019, post.dll, post.lib, windows)	7m 49s
Publish release	0s
	1h 2m 43s

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