Fix bump version script to include PACKAGE_VERSION variable

Author: Oscar Franco

bump-version.sh

@@ -8,6 +8,8 @@ git add .
 
 git commit -m "Bump version"
 
+PACKAGE_VERSION=$(cat package.json | grep version | head -1 | awk -F: '{ print $2 }' | sed 's/[\",]//g' | tr -d '[[:space:]]')
+
 git tag $PACKAGE_VERSION
 
 git push