cargo formatted: Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: mendelsshop

git-function-history-lib/src/languages/python.rs

@@ -185,9 +185,8 @@ pub(crate) fn find_function_in_file(
                             lines: (start, end),
                             decorators,
                         });
-                    } 
-                        None
-                    
+                    }
+                    None
                 })
                 .collect::<Vec<PythonClass>>();
             let parent = func
@@ -304,7 +303,7 @@ impl FunctionDef {
         }
     }
 
-   const fn args(&self) -> &ast::located::Arguments {
+    const fn args(&self) -> &ast::located::Arguments {
         match self {
             Self::Normal(n) => &n.args,
             Self::Async(a) => &a.args,