Abstract over bin paths using env (#11339)

Signed-off-by: Matthias Herrmann <matthias.mh.herrmann@gmail.com>

bundles/create_openhab_binding_skeleton.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 [ $# -lt 3 ] && { echo "Usage: $0 <BindingIdInCamelCase> <Author> <GitHub Username>"; exit 1; }