Version.njk: Update Ubuntu-24 container to 71390ed (#477)

Updates to the latest container build with the components included for
the Hafnium build.

Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>

Author: makubacki

.sync/Version.njk

@@ -37,7 +37,7 @@
 {% set previous_mu_release_branch = "release/202405" %}
 
 {# The version of the ubuntu-24-build container to use. #}
-{% set linux_build_container = "ghcr.io/microsoft/mu_devops/ubuntu-24-build:68fa63a" %}
+{% set linux_build_container = "ghcr.io/microsoft/mu_devops/ubuntu-24-build:71390ed" %}
 
 {# The Python version to use. #}
 {% set python_version = "3.12" %}