Switch JS SDK back to develop

The js-sdk at this commit also renamed MatrixRTCSession.leaveRoomSession to leave, which the SDK follows.

(cherry picked from commit 405348945febc1df10edf9c00748f1edd6b39e71)

sdk/src/matrixrtc/LocalMembership.ts

@@ -66,7 +66,7 @@ interface Props {
   ) => void;
   /** The membership manager giving up on keeping the membership alive. */
   membershipManagerError$: Observable<unknown>;
-  matrixRTCSession: Pick<JsSdkRTCSession, "leaveRoomSession">;
+  matrixRTCSession: Pick<JsSdkRTCSession, "leave">;
   /** The id of the delayed leave event, for the backend to take over. */
   delayId$: Behavior<string | null>;
   timings: SessionTimings;
@@ -129,7 +129,7 @@ export function createLocalMembership$({
       }
       return Promise.resolve(async (): Promise<void> => {
         try {
-          await matrixRTCSession.leaveRoomSession(1000);
+          await matrixRTCSession.leave(1000);
         } catch (e) {
           logger.error("Failed to leave the session", e);
         }