chore(ci): fix lint error to use unwrap_or_default()

[kyu08]

Fixed this error from clippy.

error: match can be simplified with `.unwrap_or_default()`
   --> src/usecase/fzf_make/ui.rs:196:13
    |
[196](https://github.com/kyu08/fzf-make/actions/runs/9626356023/job/26552236621#step:3:197) |       let h = match model.get_history() {
    |  _____________^
[197](https://github.com/kyu08/fzf-make/actions/runs/9626356023/job/26552236621#step:3:198) | |         Some(h) => h,
198 | |         None => vec![],
[199](https://github.com/kyu08/fzf-make/actions/runs/9626356023/job/26552236621#step:3:200) | |     };
    | |_____^ help: replace it with: `model.get_history().unwrap_or_default()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
    = note: `-D clippy::manual-unwrap-or-default` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::manual_unwrap_or_default)]`