Title changes for Staff Page

Hello,

Please update the below list of staffs' titles on the staff page (https://www.eclipse.org/org/foundation/staff/)

• Florent Zara - Senior Manager, Professional Services
• Rosaria Rossini - Senior Project Manager
• David Remon - Senior Project Manager
• Serina El Salibi - Senior Event Coordinator
• Olga Timakova - Senior Event Coordinator