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.

contrib/cmdclient/console.py

@@ -21,7 +21,8 @@
 #
 #
 
-""" Starts a synapse client console. """
+"""Starts a synapse client console."""
+
 import argparse
 import binascii
 import cmd