fix(gocd): Fixing sentry release creation for pops deploy in s4s

gocd/templates/pipelines/pops.libsonnet

@@ -25,6 +25,7 @@ local region_pops = {
  'us-pop-regional-3',
  'us-pop-regional-4',
  ],
+ s4s: [],
 };
 
 // The purpose of this stage is to let the deployment soak for a while and
@@ -189,6 +190,7 @@ local deploy_pops_stage(region) =
  },
  } {
  'deploy-primary'+: {
+ fetch_materials: true,
  jobs+: deploy_jobs(
  [region] + region_pops[region],
  deploy_pop_job,
@@ -213,6 +215,9 @@ local deployment_stages(region) =
  if region == 'us' || region == 'de' then
  // The canary stage is only for the US and DE regions
  [deploy_canary_pops_stage(region), deploy_pops_stage(region)]
+ else if region == 's4s' then
+ // We still want to create a sentry release for s4s
+ [deploy_pops_stage(region)]
  else
  [deploy_generic_pops_stage(region)];