test dcv apt update

Author: hgreebe

cookbooks/aws-parallelcluster-platform/resources/dcv/partial/_dcv_common.rb

@@ -272,7 +272,7 @@ def dcv_gpu_accel_supported?
 end
 
 def dcv_url
-  "https://d1uj6qtbmh3dt5.cloudfront.net/2024.0/Servers/#{dcv_package}.tgz"
+  "https://d1uj6qtbmh3dt5.cloudfront.net/2024.0/Servers/nice-dcv-2024.0-18131-ubuntu2404-x86_64.tgz"
 end
 
 def dcv_tarball

cookbooks/aws-parallelcluster-platform/resources/dcv/partial/_ubuntu_common.rb

@@ -45,6 +45,7 @@ def pre_install
       code <<-PREREQ
         set -e
         DEBIAN_FRONTEND=noninteractive
+        apt update
         apt -y install whoopsie
         apt -y install ubuntu-desktop && apt -y install mesa-utils || (dpkg --configure -a && exit 1)
         apt -y purge ifupdown