Bump base64 from 0.21.5 to 0.22.0

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.21.5 to 0.22.0.
- [Changelog](https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md)
- [Commits](marshallpierce/rust-base64@v0.21.5...v0.22.0)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -10,7 +10,7 @@ repository = "https://github.com/rustls/pemfile"
 categories = ["network-programming", "cryptography"]
 
 [dependencies]
-base64 = { version = "0.21", default-features = false, features = ["alloc"] }
+base64 = { version = "0.22", default-features = false, features = ["alloc"] }
 pki-types = { package = "rustls-pki-types", version = "1.3" }
 
 [dev-dependencies]