onDemand: add alt texts to historical changelogs

src/modules/pageRender/onDemand.js

@@ -17,6 +17,7 @@ export function changelogHistory() { // blockId 0
         `<div class="changelog-banner">
             <img class="changelog-img" ` +
                 `src="${history[i]["banner"]["url"]}" ` +
+                `alt="${history[i]["banner"]["alt"].replaceAll('"', '&quot;')}" ` +
                 `width="${history[i]["banner"]["width"]}" ` +
                 `height="${history[i]["banner"]["height"]}" ` +
                 `onerror="this.style.opacity=0" loading="lazy">`+