feat(mise): add support for parallel job configuration in mise (#1548)

Co-authored-by: Gideon <87426140+GideonBear@users.noreply.github.com>

src/steps/os/unix.rs

@@ -871,6 +871,10 @@ pub fn run_mise(ctx: &ExecutionContext) -> Result<()> {
         cmd.arg("--bump");
     }
 
+    if ctx.config().mise_jobs() != 4 {
+        cmd.args(["--jobs", &ctx.config().mise_jobs().to_string()]);
+    }
+
     cmd.status_checked()
 }