How to apply image style in a views-view-fields--[view]--[machine-name].html.twig
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You can try something like below in your for loop:

{% set image = {
    '#theme':      'image_style',
    '#style_name': 'your_image_style_name',
    '#uri':        image.entity.uri,
    '#alt':        image.alt
   }
%}


then render the image as {{ image }} without img tag as it is rendered along with img tag.