build: upgrade black to py3.10

Author: boriel

pyproject.toml

@@ -50,7 +50,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.black]
 line-length = 120
-target-version = ['py38']
+target-version = ['py310']
 
 [tool.poe.tasks]
 [[tool.poe.tasks.lint]]