Merge branch '7.3' into 7.4

* 7.3:
  [FrameworkBundle] Fix support of dumping workflow when workflow is decorated by TraceableWorkflow
  [JsonStreamer] Fix documentation link in README
  [Meta] Better exception when symfony link cannot read a JSON

Author: nicolas-grekas

README.md

@@ -6,7 +6,7 @@ Provides powerful methods to read/write data structures from/into JSON streams.
 Resources
 ---------
 
- * [Documentation](https://symfony.com/doc/current/components/ser-des.html)
+ * [Documentation](https://symfony.com/doc/current/serializer/streaming_json.html)
  * [Contributing](https://symfony.com/doc/current/contributing/index.html)
  * [Report issues](https://github.com/symfony/symfony/issues) and
    [send Pull Requests](https://github.com/symfony/symfony/pulls)