Update core software stack on monsoon for vn3.2 (#441)

Author: t00sa

rose-stem/site/meto/common/suite_config_ex1a.cylc

@@ -7,7 +7,7 @@
 
 
 {% if site_vars.ex_trustzone == "collab" %}
-{% set ex1a_base = 'module use /projects/metoff/spackadmin.mon/releases/2025.12.18/ngms' %}
+{% set ex1a_base = 'module use /projects/metoff/spackadmin.mon/releases/2026.7.1/ngms' %}
 {% else %}
 {% set ex1a_base = 'module use /common/internal/spack/releases/2026.7.1/ngms' %}
 {% endif %}