chore(deps): update astroid requirement from ~=2.4 to ~=2.5

Updates the requirements on [astroid](https://github.com/PyCQA/astroid) to permit the latest version.
- [Release notes](https://github.com/PyCQA/astroid/releases)
- [Changelog](https://github.com/PyCQA/astroid/blob/master/ChangeLog)
- [Commits](pylint-dev/astroid@astroid-2.4.0...astroid-2.5)

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

Author: dependabot[bot]

Pipfile

@@ -21,7 +21,7 @@ python-dateutil = "~=2.8"
 mock = "~=4.0"
 
 pylint = "~=2.6"
-astroid = "~=2.4"
+astroid = "~=2.5"
 isort = "~=5.7"
 
 mypy = "~=0.800"