Update src/_pytest/config/__init__.py

Co-authored-by: Bruno Oliveira <[email protected]>

Author: harmin-parra

src/_pytest/config/__init__.py

@@ -1667,7 +1667,7 @@ def _getini(self, name: str):
             try:
                 return float(value)
             except ValueError:
-                raise ValueError(f"invalid float value {value!r}") from None
+                raise ValueError(f"invalid float value for option {name}: {value!r}") from None
         elif type is None:
             return value
         else: