Allow empty commit

Author: olafurpg

dev/bump-version

@@ -11,7 +11,7 @@ NEW_VERSION="$1"
 
 echo "Updating package.json."
 yarn version --no-git-tag-version --new-version "$NEW_VERSION"
-git commit -am "Release v$NEW_VERSION."
+git commit -am "Release v$NEW_VERSION." --allow-empty
 
 # Commit and tag new version
 VERSION_TAG="v$NEW_VERSION"