chore(deps): update rust crate base64 to 0.22.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
base64	dependencies	patch	0.22 -> 0.22.1

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Release Notes

marshallpierce/rust-base64 (base64)

### [`v0.22.1`](https://togithub.com/marshallpierce/rust-base64/blob/HEAD/RELEASE-NOTES.md#0221) [Compare Source](https://togithub.com/marshallpierce/rust-base64/compare/v0.22.0...v0.22.1) - Correct the symbols used for the predefined `alphabet::BIN_HEX`.

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