ci(fix): fix flake8 configuration syntax

Author: jonathan-irvin

.flake8

@@ -2,7 +2,8 @@
 exclude = .git,__pycache__,build,dist,.venv,venv
 max-line-length = 88
 max-complexity = 10
-ignore = E203, W503  # These conflict with black
+# These rules conflict with black
+ignore = E203,W503
 per-file-ignores =
     # imported but unused in __init__ files
     __init__.py: F401