src/main/scripts: use /bin/bash to fix "set: Illegal option -o pipefail" error.

Correction for f296397 commit.

Addressed to #351

Author: php-coder

src/main/scripts/ci/check-build-and-verify.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Treat unset variables and parameters as an error when performing parameter expansion
 set -o nounset

src/main/scripts/ci/publish-code-coverage.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Treat unset variables and parameters as an error when performing parameter expansion
 set -o nounset