Bump ip_network from 0.3.4 to 0.4.0 (#9524)

Bumps [ip_network](https://github.com/JakubOnderka/ip_network) from 0.3.4 to 0.4.0.
- [Release notes](https://github.com/JakubOnderka/ip_network/releases)
- [Commits](https://github.com/JakubOnderka/ip_network/compare/v0.3.4...v0.4.0)

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

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

substrate/client/authority-discovery/Cargo.toml

@@ -22,7 +22,7 @@ codec = { package = "parity-scale-codec", default-features = false, version = "2
 derive_more = "0.99.2"
 futures = "0.3.9"
 futures-timer = "3.0.1"
-ip_network = "0.3.4"
+ip_network = "0.4.0"
 libp2p = { version = "0.37.1", default-features = false, features = ["kad"] }
 log = "0.4.8"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus", version = "0.9.0" }

substrate/client/network/Cargo.toml

@@ -33,7 +33,7 @@ futures = "0.3.9"
 futures-timer = "3.0.2"
 asynchronous-codec = "0.5"
 hex = "0.4.0"
-ip_network = "0.3.4"
+ip_network = "0.4.0"
 linked-hash-map = "0.5.4"
 linked_hash_set = "0.1.3"
 lru = "0.6.5"