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* 'develop' of github.com:matrix-org/synapse:
  Fix log line that was printing undefined value (#6278)
  Update CI to run isort on scripts and scripts-dev (#6270)
  Fix small typo in comment (#6269)
  Fix typo in domain name in account_threepid_delegates config option (#6273)
  Remove redundant arguments to CI's flake8 (#6277)
  Handle FileNotFound error in checking git repository version (#6284)
  Don't return coroutines
  Newsfile
  Port receipt and read markers to async/wait
  Make concurrently_execute work with async/await
  Newsfile
  Port federation_server to async/await
  Newsfile
  Port room rest handlers to async/await
  Newsfile
  Port replication http server endpoints to async/await

…6273)

* commit '46c12918a':
  Fix typo in domain name in account_threepid_delegates config option (#6273)