set default room version to 10

this has been the new default since Matrix 1.6, and V10 has been flagged
as stable for a while in Conduit

Signed-off-by: girlbossceo <june@girlboss.ceo>

src/config/mod.rs

@@ -273,5 +273,5 @@ fn default_turn_ttl() -> u64 {
 
 // I know, it's a great name
 pub fn default_default_room_version() -> RoomVersionId {
-    RoomVersionId::V9
+    RoomVersionId::V10
 }