style(sandbox): fix ruff format violations in git_worktree.py and toctou steps

Applied ruff format to resolve line-wrapping style violations in
git_worktree.py and git_worktree_toctou_race_fix_steps.py that were
causing the CI lint job to fail.

ISSUES CLOSED: #7507

features/steps/git_worktree_toctou_race_fix_steps.py

@@ -81,9 +81,7 @@ def step_gwt_toctou_saved_exists(ctx: Context, label: str) -> None:
     )
 
 
-@then(
-    'the gwt toctou saved sandbox paths "{a}" and "{b}" should differ'
-)
+@then('the gwt toctou saved sandbox paths "{a}" and "{b}" should differ')
 def step_gwt_toctou_saved_differ(ctx: Context, a: str, b: str) -> None:
     saved = _ensure_saved_sandboxes(ctx)
     path_a = saved[a].context.sandbox_path

src/cleveragents/infrastructure/sandbox/git_worktree.py

@@ -719,9 +719,7 @@ class GitWorktreeSandbox:
                 shutil.rmtree(self._worktree_path, ignore_errors=True)
 
         # Remove the parent temporary directory
-        if self._parent_temp_dir is not None and os.path.exists(
-            self._parent_temp_dir
-        ):
+        if self._parent_temp_dir is not None and os.path.exists(self._parent_temp_dir):
             try:
                 shutil.rmtree(self._parent_temp_dir, ignore_errors=False)
                 logger.debug(