build(deps): update base64 requirement from 0.21 to 0.22

Updates the requirements on [base64](https://github.com/marshallpierce/rust-base64) to permit the latest version.
- [Changelog](https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md)
- [Commits](marshallpierce/rust-base64@v0.21.0...v0.22.0)

---
updated-dependencies:
- dependency-name: base64
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

examples/wasm/Cargo.toml

@@ -6,7 +6,7 @@ authors = ["Dominik Spicher <dominikspicher@gmail.com>"]
 edition = "2021"
 
 [dependencies]
-base64 = "0.21"
+base64 = "0.22"
 gloo = "0.10"
 js-sys = "0.3"
 qrcode-generator = "4"