Log Message:
chat/matrix-synapse: Update to 1.63.1

Upstream relevant changes:

  Add a rate limit for local users sending invites. (#13125)

  Implement MSC3827: Filtering of /publicRooms by room type. (#13031)

  Improve validation logic in the account data REST
  endpoints. (#13148)

  Remove obsolete and for 8 years unused
  RoomEventsStoreTestCase. Contributed by @arkamar. (#13200)