Merge version 2.2.9-2+rpi1 and 2.2.9-2+deb11u1 to produce 2.2.9-2+rpi1+deb11u1

diff --cc debian/changelog
index 28afc8c2acb5969a94301245cd3c32c74c00543a,7520e9a857ce6c2f51199c10018c2e4b4fea460b..cb1d0695a80ba9d85756afb40ace044c0f6520e6
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,8 +1,15 @@@
- haproxy (2.2.9-2+rpi1) bullseye-staging; urgency=medium
++haproxy (2.2.9-2+rpi1+deb11u1) bullseye-staging; urgency=medium
 +
 +  [changes brought forward from 1.8.19-1+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Thu, 14 Mar 2019 20:25:01 +0000]
 +  * Link with libatomic on armhf too.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Thu, 17 Jun 2021 15:23:45 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Thu, 19 Aug 2021 13:24:55 +0000
++
+ haproxy (2.2.9-2+deb11u1) bullseye-security; urgency=high
+ 
+   * Fix HTTP request smuggling via HTTP/2 desync attacks.
+ 
+  -- Vincent Bernat <bernat@debian.org>  Sun, 15 Aug 2021 22:42:57 +0200
  
  haproxy (2.2.9-2) unstable; urgency=medium