chore(deps-dev): Update pylint requirement from ~=2.15.5 to ~=2.15.6 (#1793)

Updates the requirements on [pylint](https://github.com/PyCQA/pylint) to permit the latest version.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Commits](pylint-dev/pylint@v2.15.5...v2.15.6)

---
updated-dependencies:
- dependency-name: pylint
  dependency-type: direct:development
...

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Author: dependabot[bot]

requirements/dev.txt

@@ -1,5 +1,5 @@
 -r _.txt
-pylint~=2.15.5
+pylint~=2.15.6
 pytest~=7.2.0
 pytest-asyncio~=0.20.2
 # pytest-order~=1.0.1