Chore(deps): Bump base64 from 0.23.0 to 0.23.1 (#1907)

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.23.0 to 0.23.1.
- [Changelog](https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md)
- [Commits](https://github.com/marshallpierce/rust-base64/compare/v0.23.0...v0.23.1)

---
updated-dependencies:
- dependency-name: base64
  dependency-version: 0.23.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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