build(deps): bump aes from 0.8.3 to 0.8.4 (#577)

Bumps [aes](https://github.com/RustCrypto/block-ciphers) from 0.8.3 to 0.8.4.
- [Commits](RustCrypto/block-ciphers@aes-v0.8.3...aes-v0.8.4)

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

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

ccm/Cargo.toml

@@ -21,7 +21,7 @@ subtle = { version = "2", default-features = false }
 
 [dev-dependencies]
 aead = { version = "0.5", features = ["dev"], default-features = false }
-aes = { version = "0.8.2" }
+aes = { version = "0.8.4" }
 hex-literal = "0.3.4"
 
 [features]