Update chacha20poly1305 requirement from 0.8 to 0.9 (mcginty#122)

Updates the requirements on [chacha20poly1305](https://github.com/RustCrypto/AEADs) to permit the latest version.
- [Release notes](https://github.com/RustCrypto/AEADs/releases)
- [Commits](RustCrypto/AEADs@aes-gcm-v0.8.0...chacha20poly1305-v0.9.0)

---
updated-dependencies:
- dependency-name: chacha20poly1305
  dependency-type: direct:production
...

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

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

Cargo.toml

@@ -42,7 +42,7 @@ subtle = "2.4"
 
 # default crypto provider
 aes-gcm = { version = "0.9", optional = true }
-chacha20poly1305 = { version = "0.8", optional = true }
+chacha20poly1305 = { version = "0.9", optional = true }
 blake2 = { version = "0.9", optional = true }
 rand = { version = "0.8", optional = true }
 sha2 = { version = "0.9", optional = true }