build(deps): bump nick-invision/retry from 2.7.0 to 2.8.1
build(deps): bump nick-invision/retry from 2.7.0 to 2.8.1

Bumps [nick-invision/retry](https://github.com/nick-invision/retry) from 2.7.0 to 2.8.1.
- [Release notes](https://github.com/nick-invision/retry/releases)
- [Changelog](https://github.com/nick-fields/retry/blob/master/.releaserc.js)
- [Commits](https://github.com/nick-invision/retry/compare/v2.7.0...v2.8.1)

---
updated-dependencies:
- dependency-name: nick-invision/retry
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
testem/testem,testem/testem,testem/testem