Bump ipnetwork from 0.21.0 to 0.21.1

Bumps [ipnetwork](https://github.com/achanda/ipnetwork) from 0.21.0 to 0.21.1.
- [Release notes](https://github.com/achanda/ipnetwork/releases)
- [Changelog](https://github.com/achanda/ipnetwork/blob/master/CHANGELOG.md)
- [Commits](achanda/ipnetwork@v0.21.0...v0.21.1)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -9,7 +9,7 @@ serde = "1.0.217"
 serde_json = "1.0.134"
 
 [build-dependencies]
-ipnetwork = { version = "0.21.0", features = ["schemars"] }
+ipnetwork = { version = "0.21.1", features = ["schemars"] }
 prettyplease = "0.2.27"
 schemars = "0.8.21"
 serde = "1.0.217"