Format files with Ruff (#17643)

I thought ruff check would also format, but it doesn't.

This runs ruff format in CI and dev scripts. The first commit is just a
run of `ruff format .` in the root directory.

1 files changed, 1 insertions, 2 deletions

diff --git a/synapse/util/linked_list.py b/synapse/util/linked_list.py

index e9a5fff211..87f801c0cf 100644
--- a/synapse/util/linked_list.py
+++ b/synapse/util/linked_list.py
@@ -19,8 +19,7 @@
 #
 #
 
-"""A circular doubly linked list implementation.
-"""
+"""A circular doubly linked list implementation."""
 
 import threading
 from typing import Generic, Optional, Type, TypeVar