Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / profiles / standard / config / optional / image.style.max_325x325.yml

name: max_325x325
label: 'Max 325x325'
effects:
  cb842cc8-682f-42a6-bd05-5a1ac726f0d8:
    id: image_scale
    data:
      width: 325
      height: 325
      upscale: false
    weight: 1
    uuid: cb842cc8-682f-42a6-bd05-5a1ac726f0d8
langcode: en
dependencies:
  module:
    - responsive_image
  enforced:
    module:
      - responsive_image