When I type that page into
PageSpeed Insight I don't get CLS data on that particular page and instead for the whole site:
Looking at that page and scrolling down, and reloading, I see a little CLS but not enough to explain that 0.17 overall.
However, the home page does have URL-level data:
And doing the same on that clearly shows a lot of CLS locally when I open the DevTools performance panel, scroll down, and reload:

When you're struggling to understand CLS you can use a Real User Monitoring (RUM) solution to collect the elements shifting from user which is usually the best way of understanding where the issue is. I understand Cloudflare includes this for free
if you enable it though I'm not sure if they give CLS elements, but they will at least help pinpoint the individual pages for you.