fix(ruff): set to line length back to 88 as used originally

That's the default for ruff but it makes it clearer that this
is what we want.

pyproject.toml

@@ -130,7 +130,7 @@ include = [
 packages = ["src/clapper"]
 
 [tool.ruff]
-line-length = 80
+line-length = 88
 target-version = "py310"
 
 [tool.ruff.format]