[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

jupyter_server_terminals/terminalmanager.py

@@ -139,7 +139,7 @@ async def _cull_terminals(self):
             except Exception as e:
                 self.log.exception(
                     "The following exception was encountered while checking the "
-                    "activity of terminal {}: {}".format(name, e)
+                    f"activity of terminal {name}: {e}"
                 )
 
     async def _cull_inactive_terminal(self, name):