Website Idea: Enhance PMC and Committers lists with high-quality avatars

We already have two ideas linked below similar to this

refs #2436 refs #2428

While many Apache Software Foundation (ASF) projects stick to a classic, text-heavy "Apache Way" aesthetic, a new generation of Top-Level Projects (TLPs) has embraced modern web design. These projects often feature sleek UI, clear branding, and dedicated "Community" or "Team" pages with high-quality avatars and contributor profiles.

• https://echarts.apache.org/en/committers.html
• https://apisix.apache.org/team/
• https://airflow.apache.org/community/#project-management-committee

I think avatars should be stored with the site so PMC and Committers can choose their avatar if needed.