Merge version 0.19.0-3+rpi1 and 0.20.0-2 to produce 0.20.0-2+rpi1

diff --cc debian/changelog
index e476e5f76717b8d794c8ecc2f4be2a029c4b168c,76e02a5babef7ececc11a544eb7735142d4143a9..26ce10d27081708231eec2ca6a1638e47d9ace94
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,10 -1,21 +1,29 @@@
- libgav1 (0.19.0-3+rpi1) trixie-staging; urgency=medium
++libgav1 (0.20.0-2+rpi1) forky-staging; urgency=medium
 +
 +  [changes brought forward from 0.16.0-4+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sat, 07 Nov 2020 15:07:47 +0000]
 +  * Link with libatomic on armhf too.
 +  * Update symbols file for raspbian.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Mon, 13 Jan 2025 02:30:49 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Thu, 30 Apr 2026 14:54:05 +0000
++
+ libgav1 (0.20.0-2) unstable; urgency=medium
+ 
+   * Team upload
+   * Upload to unstable
+ 
+  -- Sebastian Ramacher <sramacher@debian.org>  Sun, 28 Dec 2025 23:33:00 +0100
+ 
+ libgav1 (0.20.0-1) experimental; urgency=medium
+ 
+   * Team upload
+   * New upstream version 0.20.0
+   * SONAME bump: libgav1-1 -> libgav1-2
+   * debian/control:
+     - Bump Standards-Version
+     - Drop RRR: no
+   * debian/patches: Require C++17 (Closes: #1114172)
+ 
+  -- Sebastian Ramacher <sramacher@debian.org>  Tue, 23 Dec 2025 12:22:13 +0100
  
  libgav1 (0.19.0-3) unstable; urgency=medium