text: Title: Marketplace - agent page - fix header fonts
  Body: ### Describe your issue.
  
  Font is too small, wrong font and wrong line-height. Fix this so that it follows "p-ui-medium" typography styling. Find the typography guide here: 
  https://www.figma.com/design/Ll8EOTAVIlNlbfOCqa1fG9/Agent-Store-V2?node-id=2759-9596&t=2JI1c3X9fIXeTTbE-1
  
  
  Font: Geist
  font weight: medium
  size: 16px
  line height: 24px
  
  <img width="1447" alt="Screenshot 2024-12-16 at 21 40 45" src="https://github.com/user-attachments/assets/9a1403b6-17b8-4030-9777-13f606235831" />
  
  
  