Release v21.4 to unstable

Signed-off-by: James Valleroy <jvalleroy@mailbox.org>

debian/changelog

@@ -1,3 +1,54 @@
+freedombox (21.4) unstable; urgency=medium
+
+  [ Petter Reinholdtsen ]
+  * Translated using Weblate (Norwegian Bokmål)
+
+  [ Allan Nordhøy ]
+  * Translated using Weblate (Norwegian Bokmål)
+
+  [ ikmaak ]
+  * Translated using Weblate (Dutch)
+
+  [ Burak Yavuz ]
+  * Translated using Weblate (Turkish)
+
+  [ James Valleroy ]
+  * plinth: Disable start rate limiting for service
+  * upgrades: Disable searx during dist-upgrade
+  * locale: Update translation strings
+  * doc: Fetch latest manual
+
+  [ Dietmar ]
+  * Translated using Weblate (German)
+  * Translated using Weblate (Italian)
+  * Translated using Weblate (German)
+  * Translated using Weblate (Italian)
+
+  [ Coucouf ]
+  * Translated using Weblate (French)
+
+  [ Michael Breidenbach ]
+  * Translated using Weblate (Swedish)
+
+  [ Sunil Mohan Adapa ]
+  * ui: Fix buttons jumping on click in snapshots page
+  * matrix-synapse, coturn: Fix minor pipeline failures
+
+  [ Benedek Nagy ]
+  * Translated using Weblate (Hungarian)
+
+  [ Kornelijus Tvarijanavičius ]
+  * Translated using Weblate (Lithuanian)
+
+  [ Joseph Nuthalapati ]
+  * coturn: Add new component for usage of coturn by other apps
+  * coturn: Minor refactor view to use utility to generate URIs
+  * coturn: Remove advanced flag, make app visible to all
+  * matrix-synapse: Auto configure STUN/TURN using coturn server
+  * matrix-synapse: Update description to talk about TURN configuration
+
+ -- James Valleroy <jvalleroy@mailbox.org>  Sun, 28 Feb 2021 20:57:00 -0500
+
 freedombox (21.3) unstable; urgency=medium
 
   [ Oğuz Ersen ]

plinth/__init__.py

@@ -3,4 +3,4 @@
 Package init file.
 """
 
-__version__ = '21.3'
+__version__ = '21.4'