Update agenda

Author: wesbland

_data/meetings/2025/09/agenda.yml

@@ -142,8 +142,8 @@ plenaries:
     - type: Plenary
       title: "Concepts for designing modern C++ interfaces for MPI"
       link: https://www.arxiv.org/abs/2506.14610
-      presenter: Tony
-      done: 0
+      presenter: Tim
+      done: 1
 
     - type: Plenary
       title: "MPI Advance and MPI4AI"
@@ -157,6 +157,6 @@ plenaries:
 
     - type: Plenary
       title: "Hybrid WG"
-      presenter: Joseph
+      presenter: Tony
       done: 0