CI: use same line length limit for ruff and isort

dnicolodi · dnicolodi · commit 9a5b00943adb · 2023-02-08T14:54:32.000+01:00
This fixes some short line breaks enforced by isort.
diff --git a/pyproject.toml b/pyproject.toml
@@ -98,6 +98,7 @@ lines_between_types = 1
 lines_after_imports = 2
 multi_line_output = 5
 known_first_party = 'mesonpy'
+line_length = 127
 
 
 [tool.coverage.run]
