message: build: prepare for stable [skip ci]
diff: set -e
  -echo "Current version:" $(grep version package.json | sed -E 's/^.*"(4[^"]+)".*$/\1/')
  -echo "Enter rc version e.g., 2 will generate 4.0.0-rc.2: "
  -read RC_VERSION
  -
  -VERSION="4.0.0-rc.$RC_VERSION"
  +echo "Current version:" $(grep version package.json | sed -E 's/^.*"([0-9][^"]+)".*$/\1/')
  +echo "Enter version e.g., 4.0.1: "
  +read VERSION
  read -p "Releasing v$VERSION - are you sure? (y/n)" -n 1 -r
  echo # (optional) move to a new line
  