Bump pylint-dev/backport from 2.1.5 to 2.1.6 (#3005)

Bumps [pylint-dev/backport](https://github.com/pylint-dev/backport) from 2.1.5 to 2.1.6.
- [Release notes](https://github.com/pylint-dev/backport/releases)
- [Commits](https://github.com/pylint-dev/backport/compare/964024cacb774019138fb67254342bec9cef4934...e071919112ee369aaf4453465fa5037ac25cdd2d)

---
updated-dependencies:
- dependency-name: pylint-dev/backport
  dependency-version: 2.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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