fix(cli): remove unnecessary borrows (#829)

* Update dependencies

* Format better and remove unnecessary borrows

Author: Ben Armstead

Cargo.lock

@@ -162,7 +162,7 @@ path = "{}.rs""#,
 
         if cmd.status.success() {
             Ok(CompiledExercise {
-                exercise: &self,
+                exercise: self,
                 _handle: FileHandle,
             })
         } else {

src/exercise.rs

@@ -203,7 +203,7 @@ fn main() {
         Subcommands::Run(subargs) => {
             let exercise = find_exercise(&subargs.name, &exercises);
 
-            run(&exercise, verbose).unwrap_or_else(|_| std::process::exit(1));
+            run(exercise, verbose).unwrap_or_else(|_| std::process::exit(1));
         }
 
         Subcommands::Hint(subargs) => {