client: Fix missing MatrixTimeoutError require

lib/matrix_sdk.rb

@@ -17,6 +17,7 @@ module MatrixSdk
   autoload :MatrixError, 'matrix_sdk/errors'
   autoload :MatrixRequestError, 'matrix_sdk/errors'
   autoload :MatrixConnectionError, 'matrix_sdk/errors'
+  autoload :MatrixTimeoutError, 'matrix_sdk/errors'
   autoload :MatrixUnexpectedResponseError, 'matrix_sdk/errors'
 
   module Protocols

lib/matrix_sdk/client.rb

@@ -278,7 +278,7 @@ module MatrixSdk
       data = loop do
         begin
           break api.sync extra_params.merge(params)
-        rescue MatrixTimeoutError => ex
+        rescue MatrixSdk::MatrixTimeoutError => ex
           raise ex if (attempts += 1) > params.fetch(:allow_sync_retry, 0)
         end
       end