Release v23.12 to unstable

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

debian/changelog

@@ -1,3 +1,39 @@
+freedombox (23.12) unstable; urgency=medium
+
+  [ gallegonovato ]
+  * Translated using Weblate (Spanish)
+
+  [ Burak Yavuz ]
+  * Translated using Weblate (Turkish)
+
+  [ Jiří Podhorecký ]
+  * Translated using Weblate (Czech)
+  * Translated using Weblate (Czech)
+
+  [ Ihor Hordiichuk ]
+  * Translated using Weblate (Ukrainian)
+
+  [ Sunil Mohan Adapa ]
+  * gitweb: Fix issue with service startup when gitweb is not enabled
+  * packages: Purge packages on uninstall
+  * searx: Fix typo in method name
+  * samba: Remove additional configuration files on uninstall
+  * mediawiki: Utilize purging of packages and don't remove explicitly
+  * shaarli: Utilize purging of packages and don't remove explicitly
+  * deluge: Utilize purging of packages and don't remove explicitly
+  * uninstall: Remove experimental warning
+  * roundcube: Clarify description for local mail only option
+  * mediawiki: Increment version to run update.php automatically
+
+  [ ikmaak ]
+  * Translated using Weblate (Dutch)
+
+  [ James Valleroy ]
+  * locale: Update translation strings
+  * doc: Fetch latest manual
+
+ -- James Valleroy <jvalleroy@mailbox.org>  Mon, 19 Jun 2023 20:44:30 -0400
+
 freedombox (23.11) experimental; urgency=medium
 
   [ James Valleroy ]

plinth/__init__.py

@@ -3,4 +3,4 @@
 Package init file.
 """
 
-__version__ = '23.11'
+__version__ = '23.12'