fix: remove blank line inside try block in pool acquire()

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: antoineleclair

src/dqliteclient/pool.py

@@ -97,7 +97,6 @@ async def acquire(self) -> AsyncIterator[DqliteConnection]:
 
         self._in_use.add(conn)
         try:
-
             yield conn
         except BaseException:
             # On error (including cancellation), close connection