Overview of changes in 3.52.9
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* Bugs fixed:
  - #71 Adding GOA account fails with sonic.net IMAP service
  - #162 Cannot add a ProtonMail bridge with IMAP + TLS
  - #420 Nextcloud login does not work anymore due to OPTIONS /login request
  - !340 goamsgraphprovider: ensure a valid PresentationIdentity
  - !345 goadaemon: complete GTasks to avoid a scary debug warning