Merge version 2.37.4-1+rpi1 and 2.37.4-1+deb10u1 to produce 2.37.4-1+rpi1+deb10u1

diff --cc debian/changelog
index c6cc50b860891a5f0116b1a7aff419bdf56d92f7,bbee58e3ec2411b030ffd495a14c9c0c8c6dff79..3e2fce51c499e65d1752541691280b13ebdb0af9
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,11 -1,14 +1,23 @@@
- snapd (2.37.4-1+rpi1) buster-staging; urgency=medium
++snapd (2.37.4-1+rpi1+deb10u1) buster-staging; urgency=medium
 +
 +  [changes brought forward from 2.27.2-2+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Thu, 24 Aug 2017 17:53:18 +0000]
 +  * Treat unknown derivatives the same as Debian.
 +  * Disable testsuite.
 +  * Fix clean target.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Mon, 11 Mar 2019 22:00:06 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Mon, 21 Feb 2022 01:09:02 +0000
++
+ snapd (2.37.4-1+deb10u1) buster-security; urgency=medium
+ 
+    * SECURITY UPDATE: local privilege escalation
+     - d/p/cve202144730: Add validations of the
+       location of the snap-confine binary within snapd.
+     - d/p/cve202144730: Fix race condition in snap-confine
+       when preparing a private mount namespace for a snap.
+     - CVE-2021-44730
+     - CVE-2021-44731
+ 
+  -- Michael Vogt <mvo@debian.org>  Thu, 17 Feb 2022 16:29:46 +0100
  
  snapd (2.37.4-1) unstable; urgency=medium