Update Rust crate base64 to v0.22.1 (#15429)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [base64](https://togithub.com/marshallpierce/rust-base64) |
workspace.dependencies | patch | `0.22.0` -> `0.22.1` |

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### Release Notes

<details>
<summary>marshallpierce/rust-base64 (base64)</summary>

###
[`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`.

</details>

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Release Notes:

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