Avoid spinning up the python interpreter just for running a shebang

tools/cmd/tool/main.go

@@ -99,13 +99,13 @@ func KittyToolEntryPoints(root *cli.Command) {
 			return
 		},
 	})
-	// __confirm_and_run_shebang__
+	// __shebang__
 	root.AddSubCommand(&cli.Command{
-		Name:            "__confirm_and_run_shebang__",
+		Name:            "__shebang__",
 		Hidden:          true,
 		OnlyArgsAllowed: true,
 		Run: func(cmd *cli.Command, args []string) (rc int, err error) {
-			return confirm_and_run_shebang(args)
+			return run_shebang(args)
 		},
 	})
 	// __convert_image__