Change default helm chart path to deploy/chart

Co-authored-by: darthkali <46423967+darthkali@users.noreply.github.com>

Author: Copilot

.github/workflows/gitlab-migration-build.yaml

@@ -13,7 +13,7 @@ on:
         description: 'Path to helm chart directory'
         required: false
         type: string
-        default: 'helm-chart'
+        default: 'deploy/chart'
       chart_name:
         description: 'Name of the helm chart'
         required: false