Merge branch '7.3' into 7.4

* 7.3:
  [HttpClient] Add a missing reference

Author: javiereguiluz

reference/configuration/framework.rst

@@ -1951,6 +1951,8 @@ multiplier
 This value is multiplied to the delay each time a retry occurs, to distribute
 retries in time instead of making all of them sequentially.
 
+.. _reference-http-client-retry-retry-strategy:
+
 retry_strategy
 """"""""""""""