config: bump Black line-length to 120 chars
# Black formatting options
[tool.black]
-line-length = 100
-target-version = ['py37', 'py38', 'py39']
+line-length = 120
+target-version = ['py37', 'py38', 'py39', 'py310']
include = '(\.py$|\.ipynb$)'
exclude = '''
(
