chore(deps): update coins-bip39 requirement from 0.8.6 to 0.11.1

Updates the requirements on [coins-bip39](https://github.com/summa-tx/coins) to permit the latest version.
- [Commits](summa-tx/coins@v0.8.7...v0.11.1)

---
updated-dependencies:
- dependency-name: coins-bip39
  dependency-type: direct:production
...

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

ethers-signers/Cargo.toml

@@ -27,7 +27,7 @@ ethers-core.workspace = true
 
 # crypto
 coins-bip32 = "0.8.3"
-coins-bip39 = "0.8.6"
+coins-bip39 = "0.11.1"
 elliptic-curve.workspace = true
 sha2.workspace = true
 rand.workspace = true