[py]: update `mypy` version for tox recipe
@@ -13,7 +13,7 @@ commands = sphinx-build -b html -d ../build/doctrees docs/source ../build/docs/a
[testenv:mypy]
skip_install = true
deps =
- mypy==0.982
+ mypy==0.991
lxml==4.9.1
types-urllib3==1.26.25
types-certifi==2021.10.8.3
