Bump pylint from 2.17.5 to 2.17.6

Bumps [pylint](https://github.com/pylint-dev/pylint) from 2.17.5 to 2.17.6.
- [Release notes](https://github.com/pylint-dev/pylint/releases)
- [Commits](pylint-dev/pylint@v2.17.5...v2.17.6)

---
updated-dependencies:
- dependency-name: pylint
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pyproject.toml

@@ -58,7 +58,7 @@ dev-mypy = [
 ]
 dev-noxfile = ["nox == 2023.4.22", "frequenz-repo-config[lib] == 0.5.2"]
 dev-pylint = [
-  "pylint == 2.17.5",
+  "pylint == 2.17.6",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-channels[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]