GEODE-5212: new windows group on develop pipeline. (apache#2409)

   Until builds are stable on Windows lets hide
   the jobs on the main pipeline and move them to
   a new group 'windows'

Author: sboorlagadda

ci/pipelines/geode-build/jinja.template.yml

@@ -44,11 +44,17 @@ groups:
 - name: main
   jobs:
   - {{ build_test.name }}
-  {% for test in (tests + windowstests) if not test.name=="StressNew" -%}
+  {% for test in (tests) if not test.name=="StressNew" -%}
   - {{test.name}}Test
   {% endfor -%}
   - UpdatePassingRef
   - PublishArtifacts
+- name: windows
+  jobs:
+  - {{ build_test.name }}
+  {% for test in (windowstests) if not test.name=="StressNew" -%}
+  - {{test.name}}Test
+  {% endfor %}
 
 resources:
 - name: send-notification-email