Bump base64 from 0.22.0 to 0.22.1 #915

Job	Run time
Check	1m 36s
coverage	2m 53s
clippy	1m 36s
Rustfmt	26s
Test Suite (self-hosted, linux, x64, intel, self-hosted-linux-intel)	2m 54s
Test Suite (self-hosted, linux, arm64, --cfg=aes_armv8)	11m 4s
Test Suite (self-hosted, macos, arm64, --cfg=aes_armv8)	3m 35s
Test Suite (macos-13, stable)	5m 31s
Test Suite (windows-2019)	7m 14s
Build library (self-hosted, linux, x64, intel, self-hosted-linux-intel, libpost.so, libpost.a, li...	2m 42s
Build library (self-hosted, linux, arm64, libpost.so, libpost.a, --cfg=aes_armv8, linux-arm64)	6m 5s
Build library (self-hosted, macos, arm64, libpost.dylib, libpost.a, --cfg=aes_armv8, macos-m1)	2m 46s
Build library (macos-13, libpost.dylib, libpost.a, macos)	6m 43s
Build library (windows-2019, post.dll, post.lib, windows)	10m 59s
Publish release	0s
	1h 6m 4s

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