Overview of changes in 3.51.0
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* Support Mail Autoconfig XML for IMAP/SMTP services
* Support SRV lookups for DAV services
* Support Linux's KEYRING notification pipe for Kerberos
* Ability to restrict which services of a particular account type are available
* Add version CLI flag for goa-daemon
* Port to AdwDialog and AdwAlertDialog
* Accept GtkWidget as a top-level for account setup
* Port documentation to gi-docgen
* Documentation and manual pages are enabled by default
* Fixes for bugs found by Coverity Scan
* Fix libsoup error handling
* Translation fixes and missing strings
* Translation updates