Bump heck from 0.4.0 to 0.4.1 (#331)

Bumps [heck](https://github.com/withoutboats/heck) from 0.4.0 to 0.4.1.
- [Release notes](https://github.com/withoutboats/heck/releases)
- [Changelog](https://github.com/withoutboats/heck/blob/master/CHANGELOG.md)
- [Commits](https://github.com/withoutboats/heck/commits)

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

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

Cargo.lock

@@ -633,9 +633,9 @@ checksum = "db0d4cf898abf0081f964436dc980e96670a0f36863e4b83aaacdb65c9d7ccc3"
 
 [[package]]
 name = "heck"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
 [[package]]
 name = "hermit-abi"

progenitor-impl/Cargo.toml

@@ -8,7 +8,7 @@ repository = "https://github.com/oxidecomputer/progenitor.git"
 readme = "../README.md"
 
 [dependencies]
-heck = "0.4.0"
+heck = "0.4.1"
 getopts = "0.2"
 indexmap = "1.9"
 openapiv3 = "1.0.0"