Bump version to 0.0.9 (#66)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

Cargo.toml

@@ -6,7 +6,7 @@ repository = "https://github.com/stellar/rs-stellar-strkey"
 authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 readme = "README.md"
-version = "0.0.8"
+version = "0.0.9"
 edition = "2021"
 rust-version = "1.67.0"