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, 0 deletions

diff --git a/tests/push/test_email.py b/tests/push/test_email.py

index e0aab1c046..4fafb71897 100644
--- a/tests/push/test_email.py
+++ b/tests/push/test_email.py
@@ -44,6 +44,7 @@ from tests.unittest import HomeserverTestCase
 @attr.s(auto_attribs=True)
 class _User:
     "Helper wrapper for user ID and access token"
+
     id: str
     token: str