test(popular-containters): use ecr instead of docker.io

This is to avoid rate limiter hits on the DockerHub side.

Signed-off-by: Nikita Kalyazin <kalyazin@amazon.com>

Author: kalyazin

tools/test-popular-containers/build_rootfs.sh

@@ -14,8 +14,8 @@ function make_rootfs {
     local rootfs=$LABEL
     local IMG=$LABEL.ext4
     mkdir $LABEL
-    ctr image pull docker.io/library/$LABEL
-    ctr image mount --rw docker.io/library/$LABEL $LABEL
+    ctr image pull public.ecr.aws/docker/library/$LABEL
+    ctr image mount --rw public.ecr.aws/docker/library/$LABEL $LABEL
     MNT_SIZE=$(du -sb $LABEL |cut -f1)
     SIZE=$(( $MNT_SIZE + 512 * 2**20 ))