module: update rope to version 0.22.0

Updates the requirements on [rope](https://github.com/python-rope/rope) to permit the latest version (#54).
- [Release notes](https://github.com/python-rope/rope/releases)
- [Changelog](https://github.com/python-rope/rope/blob/master/CHANGELOG.md)
- [Commits](https://github.com/python-rope/rope/compare/0.21.0...0.22.0)

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

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pyproject.toml

@@ -18,7 +18,7 @@ requests = "~2.26"
 [tool.poetry.dev-dependencies]
 mypy = "0.910"
 pylint = "~2.11"
-rope = "~0.21"
+rope = "~0.22"
 types-PyYAML = "~6.0"
 types-requests = "~2.26"
 yapf = "~0.31"