style: auto-fix linting issues

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: github-actions[bot]

codeflash/languages/javascript/instrument.py

@@ -361,7 +361,6 @@ def _find_balanced_parens(self, code: str, open_paren_pos: int) -> tuple[str | N
 
             pos = i + 1
 
-
         if depth != 0:
             return None, -1