fix(test/chores): Buildscripts and E2E script shebangs

buildscripts/generate-manifests.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright 2020 The OpenEBS Authors.
 #

buildscripts/push

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright 2019-2020 The OpenEBS Authors. All rights reserved.
 #

buildscripts/travis-build.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -e
 # Copyright 2020 The OpenEBS Authors.
 #

e2e-tests/experiments/functional/lvmpv-custom-topology/app_gen_immediate.sh

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 

e2e-tests/experiments/functional/lvmpv-custom-topology/app_gen_wfc.sh

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e