Add missing shebang (#!) lines

ci/devstack.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 #
 # Installs Devstack with the OIDC plugin
 #

ci/microshift.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 #
 # Installs Microshift on Docker
 #

ci/run_functional_tests_openshift.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Creates the appropriate credentials and runs tests
 #
 # Tests expect the resource to be name Devstack

ci/run_functional_tests_openstack.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Creates the appropriate credentials and runs tests
 #
 # Tests expect the resource to be name Devstack

ci/run_unit_tests.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 set -xe
 
 if [[ ! "${CI}" == "true" ]]; then

ci/setup-oc-client.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -xe
 

ci/setup-ubuntu.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -xe
 

ci/setup.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 set -xe
 
 # If running on Github actions, don't create a virtualenv