Add post-release script to add an empty unreleased entry in the changelog (#1582)

Author: iker-barriocanal

scripts/post-release.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -eux
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd $SCRIPT_DIR/..
+
+OLD_VERSION="${1}"
+NEW_VERSION="${2}"
+
+# Add a new unreleased entry in the changelog
+sed -i "" 's/# Changelog/# Changelog\n\n## Unreleased/' CHANGELOG.md