new shebangs

tools/free-space.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Очистка места на диске
 # https://gist.github.com/anthonyaxenov/02c00c965be4eb5bb163a153abdf4c2b
 # https://itsfoss.com/free-up-space-ubuntu-linux/