[build] Update docker source for debian image

Change-Id: If0c06c175c3990bbcab0b5b3d41560a0a3616ef3
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/386381
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>

tools/linux_dist_support/Debian.dockerfile

@@ -1,10 +1,10 @@
 # Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
-FROM launcher.gcr.io/google/debian11:latest
+FROM marketplace.gcr.io/google/debian11:latest
 ARG depot_tools
 RUN apt-get update \
   && apt-get install -y build-essential debhelper git python3 \
   && rm -rf /var/lib/apt/lists/*
 ENV PATH="$depot_tools:${PATH}"
-ENTRYPOINT python3 tools/linux_dist_support/linux_distribution_support.py
+ENTRYPOINT python3 tools/linux_dist_support/linux_distribution_support.py