chore(deps-dev): bump mypy from 1.1.1 to 1.2.0 (#372)

Bumps [mypy](https://github.com/python/mypy) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v1.1.1...v1.2.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -61,7 +61,7 @@ flake8-bugbear = "^22.7.1"
 flake8-isort = "^4.1.2"
 isort = "^5.11.5" # last version supporting Python 3.7
 jsonschema = ">= 4.4.0"
-mypy = "^1.1.1"
+mypy = "^1.2.0"
 lxml = ">=4.7.0"
 tox = "^3.2.8"
 xmldiff = ">=2.4"