Bump ipnet from 2.10.1 to 2.11.0 in /pixie-server

Bumps [ipnet](https://github.com/krisprice/ipnet) from 2.10.1 to 2.11.0.
- [Release notes](https://github.com/krisprice/ipnet/releases)
- [Changelog](https://github.com/krisprice/ipnet/blob/master/RELEASES.md)
- [Commits](https://github.com/krisprice/ipnet/commits/2.11.0)

---
updated-dependencies:
- dependency-name: ipnet
  dependency-version: 2.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pixie-server/Cargo.lock

@@ -9,7 +9,7 @@ blake3 = "1.8.2"
 clap = { version = "4.5.40", features = ["derive"] }
 env_logger = { version = "0.11.6", default-features = false, features = ["auto-color", "humantime"] }
 interfaces = "0.0.9"
-ipnet = { version = "2.9.0", features = ["serde"] }
+ipnet = { version = "2.11.0", features = ["serde"] }
 libc = "0.2.174"
 log = "0.4.27"
 macaddr = { version = "1.0.1", features = ["serde"] }