build(deps): bump blessed from 1.39.0 to 1.40.0

Bumps [blessed](https://github.com/jquast/blessed) from 1.39.0 to 1.40.0.
- [Release notes](https://github.com/jquast/blessed/releases)
- [Changelog](https://github.com/jquast/blessed/blob/master/docs/history.rst)
- [Commits](https://github.com/jquast/blessed/commits/1.40)

---
updated-dependencies:
- dependency-name: blessed
  dependency-version: 1.40.0
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]