chore(deps): bump bech32 from 0.8.1 to 0.9.0 (#295)

Bumps [bech32](https://github.com/rust-bitcoin/rust-bech32) from 0.8.1 to 0.9.0.
- [Release notes](https://github.com/rust-bitcoin/rust-bech32/releases)
- [Commits](https://github.com/rust-bitcoin/rust-bech32/commits)

---
updated-dependencies:
- dependency-name: bech32
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

Cargo.toml

@@ -16,7 +16,7 @@ pallas = "0.9.1"
 # pallas = { path = "../pallas/pallas" }
 hex = "0.4.3"
 net2 = "0.2.37"
-bech32 = "0.8.1"
+bech32 = "0.9.0"
 clap = "3.1.17"
 log = "0.4.17"
 env_logger = "0.9.0"