Bump base64 from 0.22.0 to 0.22.1

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.22.0 to 0.22.1.
- [Changelog](https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md)
- [Commits](marshallpierce/rust-base64@v0.22.0...v0.22.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -10,7 +10,7 @@ path = "src/rust/lib.rs"
 crate-type = ["cdylib"]
 
 [dependencies]
-base64 = "0.22.0"
+base64 = "0.22.1"
 pyo3 = "0.21.2"
 resvg = { version = "0.41.0", features = ["raster-images","text"] }
 svgtypes = "0.15.0"