Fix typo in NoLivingConnectionsError (#1045)

Co-authored-by: Tomas Della Vedova <delvedor@users.noreply.github.com>

lib/Transport.js

@@ -109,7 +109,7 @@ class Transport {
       if (meta.aborted === true) return
       meta.connection = this.getConnection({ requestId: meta.request.id })
       if (meta.connection === null) {
-        return callback(new NoLivingConnectionsError('There are not living connections'), result)
+        return callback(new NoLivingConnectionsError('There are no living connections'), result)
       }
 
       // TODO: make this assignment FAST