ckb-network-fuzz: make cargo clippy happy

[eval-exec]

What is changed and how it works?

make cargo clippy for ckb-network-fuzz happy

What's Changed:

Related changes

• Fix clippy warning in ckb-network-fuzz

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code ci-runs-only: [ quick_checks,linters ]

Side effects

• None

Release note

None: Exclude this PR from the release note.

[eval-exec]

There are two Clippy warnings that need to be resolved.

ckb/network/fuzz on  exec/fix-network-fuzz-clippy is 📦 v0.121.0-pre via 🦀 v1.85.0-nightly via ❄️  impure (nix-shell)
❯ cargo clippy
    Checking ckb-network-fuzz v0.121.0-pre (/home/exec/Projects/github.com/nervosnetwork/ckb/network/fuzz)
error[E0277]: the trait bound `ipnetwork::IpNetwork: std::convert::From<ipnetwork::Ipv6Network>` is not satisfied
  --> fuzz_targets/fuzz_peer_store.rs:39:50
   |
39 |             data.get::<ipnetwork::Ipv6Network>().into()
   |                                                  ^^^^ the trait `std::convert::From<ipnetwork::Ipv6Network>` is not implemented for `ipnetwork::IpNetwork`
   |
   = help: the following other types implement trait `std::convert::From<T>`:
             `ipnetwork::IpNetwork` implements `std::convert::From<ipnetwork::ipv4::Ipv4Network>`
             `ipnetwork::IpNetwork` implements `std::convert::From<ipnetwork::ipv6::Ipv6Network>`
             `ipnetwork::IpNetwork` implements `std::convert::From<std::net::IpAddr>`
   = note: required for `ipnetwork::Ipv6Network` to implement `std::convert::Into<ipnetwork::IpNetwork>`

error[E0277]: the trait bound `ipnetwork::IpNetwork: std::convert::From<ipnetwork::Ipv4Network>` is not satisfied
  --> fuzz_targets/fuzz_peer_store.rs:37:50
   |
37 |             data.get::<ipnetwork::Ipv4Network>().into()
   |                                                  ^^^^ the trait `std::convert::From<ipnetwork::Ipv4Network>` is not implemented for `ipnetwork::IpNetwork`
   |
   = help: the following other types implement trait `std::convert::From<T>`:
             `ipnetwork::IpNetwork` implements `std::convert::From<ipnetwork::ipv4::Ipv4Network>`
             `ipnetwork::IpNetwork` implements `std::convert::From<ipnetwork::ipv6::Ipv6Network>`
             `ipnetwork::IpNetwork` implements `std::convert::From<std::net::IpAddr>`
   = note: required for `ipnetwork::Ipv4Network` to implement `std::convert::Into<ipnetwork::IpNetwork>`

For more information about this error, try `rustc --explain E0277`.
error: could not compile `ckb-network-fuzz` (bin "fuzz_peer_store") due to 2 previous errors

Update: Resolved by setting the ipnetwork version in ckb-network-fuzz to match that of ckb-network.

[eval-exec]

@zhangsoledad @joii2020 I think this PR is ready to merge.