feat(brew): Add greedy-auto-updates option to Brew (#914)

src/steps/os/unix.rs

@@ -380,6 +380,9 @@ pub fn run_brew_cask(ctx: &ExecutionContext, variant: BrewVariant) -> Result<()>
         if ctx.config().brew_greedy_latest() {
             brew_args.push("--greedy-latest");
         }
+        if ctx.config().brew_greedy_auto_updates() {
+            brew_args.push("--greedy-auto-updates");
+        }
     }
 
     variant.execute(run_type).args(&brew_args).status_checked()?;