Merge version 1.20.12+rpi1 and 1.20.13 to produce 1.20.13+rpi1

diff --cc debian/changelog
index 69e0afdb78e7535fdce95f5acf5829a41de103fd,21848c98299445acfb4e9db38e04025130d4bc13..25b7a4c385617e42653fcac2f97825c8823ad525
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,11 -1,17 +1,26 @@@
- dpkg (1.20.12+rpi1) bullseye-staging; urgency=medium
++dpkg (1.20.13+rpi1) bullseye-staging; urgency=medium
 +
 +  [changes brought forward from 1.20.5+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sun, 02 Aug 2020 12:08:02 +0000]
 +  * Hack up Vendor.pm so it doesn't fail
 +    (see https://lists.debian.org/debian-dpkg/2020/08/msg00004.html )
 +  * disable testsuite.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Tue, 13 Sep 2022 03:09:19 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Wed, 11 Oct 2023 07:57:13 +0000
++
+ dpkg (1.20.13) bullseye; urgency=medium
+ 
+   [ Guillem Jover ]
+   * libdpkg: Refactor pkg_format_print() out from pkg_format_show().
+   * libdpkg: Handle missing Version when formatting source:Upstream-Version.
+     Reported by John Scott <jscott@posteo.net>.
+   * libdpkg: Fix varbuf memory leak in pkg_source_version().
+   * Architecture support:
+     - Add support for loong64 CPU.
+       Based on a patch by 张丹丹 <zhangdandan@loongson.cn>. Closes: #1023486
+   * Test suite:
+     - Add new pkg-format unit tests.
+ 
+  -- Guillem Jover <guillem@debian.org>  Wed, 13 Sep 2023 23:38:21 +0200
  
  dpkg (1.20.12) bullseye; urgency=medium