Update changelog for 0.5.0-1 release

debian/changelog

-azure-multiapi-storage-python (0.4.1-2) UNRELEASED; urgency=medium
+azure-multiapi-storage-python (0.5.0-1) unstable; urgency=medium
 
+  [ Ondřej Nový ]
   * d/control: Update Maintainer field with new Debian Python Team
     contact address.
   * d/control: Update Vcs-* fields with new Debian Python Team Salsa
     layout.
 
- -- Ondřej Nový <onovy@debian.org>  Thu, 24 Sep 2020 08:42:41 +0200
+  [ Luca Boccassi ]
+  * Merge tag '0.5.0' into debian/sid
+
+ -- Luca Boccassi <bluca@debian.org>  Thu, 15 Oct 2020 10:24:27 +0100
 
 azure-multiapi-storage-python (0.4.1-1) unstable; urgency=medium