chore: bump deps

vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go

@@ -223,15 +223,7 @@ func (gsb *Balancer) ExitIdle() {
 	// There is no need to protect this read with a mutex, as the write to the
 	// Balancer field happens in SwitchTo, which completes before this can be
 	// called.
-	if ei, ok := balToUpdate.Balancer.(balancer.ExitIdler); ok {
-		ei.ExitIdle()
-		return
-	}
-	gsb.mu.Lock()
-	defer gsb.mu.Unlock()
-	for sc := range balToUpdate.subconns {
-		sc.Connect()
-	}
+	balToUpdate.ExitIdle()
 }
 
 // updateSubConnState forwards the update to the appropriate child.