Does the message still appear in the Adsense account for you?
"Remember to publish your GDPR message using a Google-certified CMP to continue showing AdSense ads on your site in the EEA and the UK. If you don't publish it by 16 January 2024, we'll publish one for you."
It still appears for me. At one point in November, the message disappeared for about 10 days and then reappeared 3 days ago. Bug or...