Bump for 2.4.6 release

Author: tienne-B

.github/CHANGELOG.rst

@@ -4,7 +4,7 @@ Change Log
 
 2.4.6
 -----
-*Release date: TBD*
+*Release date: 19 September 2020*
 
 - Fixed issue where team names with an institution were longer than the maximum size (`#1564 <https://github.com/TabbycatDebate/tabbycat/issues/1564>`_)
 - Fixed issue that made saving motions impossible through the Round API detail endpoint

docs/conf.py

@@ -60,7 +60,7 @@
 # The short X.Y version.
 version = '2.4'
 # The full version, including alpha/beta/rc tags.
-release = '2.4.5'
+release = '2.4.6'
 
 rst_epilog = """
 .. |vrelease| replace:: v{release}

tabbycat/settings/core.py

@@ -22,9 +22,9 @@
 # Version
 # ==============================================================================
 
-TABBYCAT_VERSION = '2.4.5'
+TABBYCAT_VERSION = '2.4.6'
 TABBYCAT_CODENAME = 'Manx'
-READTHEDOCS_VERSION = 'v2.4.5'
+READTHEDOCS_VERSION = 'v2.4.6'
 
 # ==============================================================================
 # Internationalization and Localization