Bump base64 to v0.22 #1980

Job	Run time
clippy_check (ubuntu-latest, stable)	51s
Build and Test (ubuntu-latest, 1.65)	3m 47s
clippy_check (ubuntu-latest, nightly)	29s
Build and Test (ubuntu-latest, 1.70)	2m 35s
clippy_check (windows-latest, stable)	2m 9s
Build and Test (ubuntu-latest, 1.75)	2m 9s
clippy_check (windows-latest, nightly)	1m 3s
Build and Test (ubuntu-latest, stable)	3m 51s
Build and Test (ubuntu-latest, beta)	1m 8s
Rustfmt (stable)	18s
Build and Test (ubuntu-latest, nightly)	1m 42s
Build and Test (windows-latest, 1.65)	5m 8s
Build and Test (windows-latest, 1.70)	3m 59s
Build and Test (windows-latest, 1.75)	3m 26s
Build and Test (windows-latest, stable)	3m 54s
Build and Test (windows-latest, beta)	3m 13s
Build and Test (windows-latest, nightly)	3m 19s
Tests result	1s
	43m 2s

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