build(deps): bump bech32 from 0.8.0 to 0.8.1

Bumps [bech32](https://github.com/rust-bitcoin/rust-bech32) from 0.8.0 to 0.8.1.
- [Release notes](https://github.com/rust-bitcoin/rust-bech32/releases)
- [Commits](https://github.com/rust-bitcoin/rust-bech32/compare/v0.8.0...v0.8.1)

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

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

Cargo.lock

@@ -254,9 +254,9 @@ checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
 [[package]]
 name = "bech32"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c7f7096bc256f5e5cb960f60dfc4f4ef979ca65abe7fb9d5a4f77150d3783d4"
+checksum = "cf9ff0bbfd639f15c74af777d81383cf53efb7c93613f6cab67c6c11e05bbf8b"
 
 [[package]]
 name = "beef"

zebra-chain/Cargo.toml

@@ -14,7 +14,7 @@ bench = ["zebra-test"]
 
 [dependencies]
 aes = "0.6"
-bech32 = "0.8.0"
+bech32 = "0.8.1"
 bitflags = "1.2.1"
 bitvec = "0.17.4"
 blake2b_simd = "0.5.11"