perf: use responsive next/image for mdx images

scripts/pagespeed-sitemap.ts

@@ -139,7 +139,7 @@ async function main() {
 
     // Using a more robust way to execute and capture output
     // We use a puppeteer script to set cookies which is more reliable than extraHeaders for LHCI
-    const lhciCommand = `npx lhci collect ${urlArgs} ${chromePathArg} --config=config/lighthouserc.json --collect.puppeteerScript="scripts/lhci-puppeteer-setup.js" --collect.settings.chromeFlags="--no-sandbox --disable-setuid-sandbox --disable-dev-shm-usage" && npx lhci assert --config=config/lighthouserc.json`;
+    const lhciCommand = `npx lhci collect ${urlArgs} ${chromePathArg} --collect.puppeteerScript="scripts/lhci-puppeteer-setup.cjs" --collect.settings.chromeFlags="--no-sandbox --disable-setuid-sandbox --disable-dev-shm-usage" && npx lhci assert`;
 
     console.log(`💻 Executing LHCI with CHROME_PATH="${chromePath}" and Puppeteer Auth...`);