Bump the RustSDK to v25.03.31

- adopt new async throwing methods
- use the sdk side TimelineStart virtual timeline item
- remove async from `directRoomForUserID` as it's not async on the rust side
- remove async from `retryDecryption` as it's spawning not blocking on the rust side

ElementX/Sources/Services/Room/JoinedRoomProxy.swift

@@ -147,7 +147,7 @@ class JoinedRoomProxy: JoinedRoomProxyProtocol {
             await subscribeToKnockRequests()
             
             if infoPublisher.value.isEncrypted {
-                subscribeToIdentityStatusChanges()
+                await subscribeToIdentityStatusChanges()
             }
         }
     }
@@ -763,14 +763,18 @@ class JoinedRoomProxy: JoinedRoomProxyProtocol {
         })
     }
     
-    private func subscribeToIdentityStatusChanges() {
-        identityStatusChangesObservationToken = room.subscribeToIdentityStatusChanges(listener: RoomIdentityStatusChangeListener { [weak self] changes in
-            guard let self else { return }
-            
-            MXLog.info("Received identity status changes: \(changes)")
-            
-            identityStatusChangesSubject.send(changes)
-        })
+    private func subscribeToIdentityStatusChanges() async {
+        do {
+            identityStatusChangesObservationToken = try await room.subscribeToIdentityStatusChanges(listener: RoomIdentityStatusChangeListener { [weak self] changes in
+                guard let self else { return }
+                
+                MXLog.info("Received identity status changes: \(changes)")
+                
+                identityStatusChangesSubject.send(changes)
+            })
+        } catch {
+            MXLog.error("Failed subscribing to identity status changes with error: \(error)")
+        }
     }
     
     private func subscribeToKnockRequests() async {