[PATCH for-8.2] dockerfiles: bump tricore cross compiler container to Debian 11

[Paolo Bonzini]

With the release of version 12 on June 10, 2023, Debian 10 is
not supported anymore.  Modify the cross compiler container to
build on a newer version.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 tests/docker/dockerfiles/debian-tricore-cross.docker | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/docker/dockerfiles/debian-tricore-cross.docker 
b/tests/docker/dockerfiles/debian-tricore-cross.docker
index 269bfa8d423..5bd1963fb55 100644
--- a/tests/docker/dockerfiles/debian-tricore-cross.docker
+++ b/tests/docker/dockerfiles/debian-tricore-cross.docker
@@ -9,7 +9,7 @@
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-FROM docker.io/library/debian:buster-slim
+FROM docker.io/library/debian:11-slim
 
 MAINTAINER Philippe Mathieu-Daudé <f4bug@amsat.org>
 
-- 
2.41.0