Merge version 1.5.3-1+rpi1 and 1.5.4-1 to produce 1.5.4-1+rpi1

diff --cc debian/changelog
index b1b152b9f0c5658f0009de44901ac2ff37218711,fbe961b0553fec1c52b5c5d335147b5e31d4a5fa..ef1cf383300f99e3d95321f011074d159e66e690
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,10 -1,11 +1,19 @@@
- dav1d (1.5.3-1+rpi1) forky-staging; urgency=medium
++dav1d (1.5.4-1+rpi1) forky-staging; urgency=medium
 +
 +  [changes brought forward from 0.7.1-3+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sun, 12 Jul 2020 23:43:27 +0000]
 +  * Disable asm, it seems to cause the resulting binary to come out
 +    armv7 contaminated.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Sat, 17 Jan 2026 14:19:22 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Fri, 24 Jul 2026 02:23:25 +0000
++
+ dav1d (1.5.4-1) unstable; urgency=medium
+ 
+   * New upstream version 1.5.4
+   * Remove redundant "Priority: optional"
+   * Standards-Version: 4.7.4 (no changes required)
+   * Update debian/copyright
+ 
+  -- Dylan Aïssi <daissi@debian.org>  Sat, 18 Jul 2026 13:00:16 +0200
  
  dav1d (1.5.3-1) unstable; urgency=medium