Merge version 5.15.2+dfsg-2+rpi1 and 5.15.4+dfsg-2 to produce 5.15.4+dfsg-2+rpi1

diff --cc debian/changelog
index 9227bbb21079b1cbdc4df163e3265d1a28799ed6,5b4e966a8ff81b1c0af86c26a47a73fffc2da7e4..3f9b0703db2321d98610259a86f9d27a02acafc1
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,11 -1,27 +1,36 @@@
- qt3d-opensource-src (5.15.2+dfsg-2+rpi1) bullseye-staging; urgency=medium
++qt3d-opensource-src (5.15.4+dfsg-2+rpi1) bookworm-staging; urgency=medium
 +
 +  [changes brought forward from 5.15.1+dfsg-3+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Thu, 12 Nov 2020 12:19:45 +0000]
 +  * Update symbols file for raspbian.
 +  * Disable testsuite.
 +  * Fix clean target.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Wed, 23 Dec 2020 15:17:29 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Fri, 15 Jul 2022 02:07:07 +0000
++
+ qt3d-opensource-src (5.15.4+dfsg-2) unstable; urgency=medium
+ 
+   * Upload to unstable.
+ 
+  -- Dmitry Shachnev <mitya57@debian.org>  Mon, 13 Jun 2022 21:36:10 +0300
+ 
+ qt3d-opensource-src (5.15.4+dfsg-1) experimental; urgency=medium
+ 
+   * New upstream release.
+   * Bump Qt build-dependencies to 5.15.4.
+   * Bump Standards-Version to 4.6.1, no changes needed.
+ 
+  -- Dmitry Shachnev <mitya57@debian.org>  Sat, 14 May 2022 12:57:34 +0300
+ 
+ qt3d-opensource-src (5.15.3+dfsg-1) experimental; urgency=medium
+ 
+   * New upstream release.
+   * Update debian/watch.
+   * Bump Qt build-dependencies to 5.15.3.
+   * Update symbols files from buildds’ logs.
+   * Bump Standards-Version to 4.6.0, no changes needed.
+   * Add one new symbol to debian/libqt53drender5.symbols.
+ 
+  -- Dmitry Shachnev <mitya57@debian.org>  Wed, 09 Mar 2022 16:46:35 +0300
  
  qt3d-opensource-src (5.15.2+dfsg-2) unstable; urgency=medium
  

diff --cc debian/libqt53drender5.symbols
Simple merge