Bump base64 from 0.13.1 to 0.22.1 (#259)

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.13.1 to 0.22.1.
- [Changelog](https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md)
- [Commits](marshallpierce/rust-base64@v0.13.1...v0.22.1)

---
updated-dependencies:
- dependency-name: base64
  dependency-version: 0.22.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -37,7 +37,7 @@ x509-parser = "0.14.0"
 hex = "0.4.3"
 axum = "0.5.16"
 serde_cbor = "0.11"
-base64 = "0.13.0"
+base64 = "0.22.1"
 aws-nitro-enclaves-image-format = "0.2.0"
 sha2 = "0.9.9"
 git2 = "0.21"