Replace jquery-lazy with lazysizes

webpack.config.js

@@ -10,7 +10,7 @@ Encore
     .addEntry('unichamp', './web/typo3conf/ext/ep_theme/Resources/Private/Assets/js/unichamp.js')
     .addStyleEntry('rte', './web/typo3conf/ext/ep_theme/Resources/Private/Assets/scss/rte.scss')
     .createSharedEntry('vendor', [
-        'jquery', 'vue', 'vue-session', 'vuex', 'vue-router', 'axios', 'flatpickr', 'jquery-lazy',
+        'jquery', 'vue', 'vue-session', 'vuex', 'vue-router', 'axios', 'flatpickr', 'lazysizes',
         'bootstrap-sass/assets/javascripts/bootstrap', 'slick-carousel',
         'dayjs', 'cookieconsent', 'picturefill', '@fancyapps/fancybox', 'leaflet'
     ])