Bump astroid from 2.15.5 to 2.15.6

Bumps [astroid](https://github.com/PyCQA/astroid) from 2.15.5 to 2.15.6.
- [Release notes](https://github.com/PyCQA/astroid/releases)
- [Changelog](https://github.com/pylint-dev/astroid/blob/main/ChangeLog)
- [Commits](pylint-dev/astroid@v2.15.5...v2.15.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -49,7 +49,7 @@ wrapt==1.15.0
 
 pylint==2.17.4
 
-astroid==2.15.5
+astroid==2.15.6
 
 six==1.16.0
 python-dateutil==2.8.2