Update governor requirement from 0.5.1 to 0.6.0 (#406)

Updates the requirements on [governor](https://github.com/antifuchs/governor) to permit the latest version.
- [Changelog](https://github.com/antifuchs/governor/blob/master/release.toml)
- [Commits](boinkor-net/governor@v0.5.1...v0.6.0)

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

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

Author: dependabot[bot]

devnet-faucet/Cargo.toml

@@ -18,7 +18,7 @@ ethers-core = { version = "=2.0.7", features = ["eip712"] }
 ethers-providers = { version = "=2.0.7" }
 ethers-signers = { version = "=2.0.7" }
 futures-util = { version = "0.3", default-features = false, features = ["sink"] }
-governor = "0.5.1"
+governor = "0.6.0"
 log = "0.4.18"
 nonzero_ext = "0.3.0"
 primitive-types = "0.12.1" # https://crates.io/crates/primitive-types