Use posix shell instead of bash for run.sh

There are no bash specific uses in the script so we can use posix shell.

Signed-off-by: Natanael Copa <[email protected]>

script/run/run.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # Run docker-compose in a container
 #