If the "Default storage class" is not set then Kong PV and PVC creation may fail and that's specified in nonrtric/helm/kongstorage/kongvalues.yaml
Check the default StorageClass or ONLY for development proposes disable kong-postgres  persistence:
sed -i '/persistence:/,/existingClaim:/s/existingClaim: .*/enabled: false/' ./dep/nonrtric/helm/kongstorage/kongvalues.yaml && rm -rf ./dep/nonrtric/helm/kongstorage/templates