Add JupyterBook site for AGU24 workshop, update location and session …

…info (#159)

PREWS9 session info at https://agu.confex.com/agu/agu24/meetingapp.cgi/Session/226736

workshops/index.rst

@@ -22,9 +22,10 @@ Upcoming Workshops
 * **Title:** Mastering Geospatial Visualizations with GMT/PyGMT (PREWS9)
 * **Instructors:** Wei Ji Leong, Yvonne Fröhlich, Jing-Hui Tong, Federico Esteban, Max Jones, Andre Luiz Belem
 * **When:** Sunday, 8 December 2024, 8:30-17:00 (EST)
-* **Where:** Walter E. Washington Convention Center, Washington D.C., United States
+* **Where:** Liberty N-P (Marriott Marquis), Washington D.C., United States
+* **Website:** https://www.generic-mapping-tools.org/agu24workshop
 * **Repository:** https://github.com/GenericMappingTools/agu24workshop
-* **AGU Session info:** https://www.agu.org/annual-meeting/schedule#vmprecon
+* **AGU Session info:** https://agu.confex.com/agu/agu24/meetingapp.cgi/Session/226736
 * **Application Portal:** https://www.agu.org/annual-meeting/attend#register
 
 This workshop aims to provide a detailed technical demonstration of GMT/PyGMT's