Add redis SSL configuration options (#15312)

* Add SSL options to redis config

* fix lint issues

* Add documentation and changelog file

* add missing . at the end of the changelog

* Move client context factory to new file

* Rename ssl to tls and fix typo

* fix lint issues

* Added when redis attributes were added

1 files changed, 4 insertions, 0 deletions

diff --git a/contrib/docker_compose_workers/README.md b/contrib/docker_compose_workers/README.md

index d3cdfe5614..ebb225fba6 100644
--- a/contrib/docker_compose_workers/README.md
+++ b/contrib/docker_compose_workers/README.md
@@ -70,6 +70,10 @@ redis:
   port: 6379
   # dbid:  <redis_logical_db_id>
   # password: <secret_password>  
+  # use_tls: True
+  # certificate_file: <path_to_certificate>
+  # private_key_file: <path_to_private_key>
+  # ca_file: <path_to_ca_certificate>
 ```
 
 This assumes that your Redis service is called `redis` in your Docker Compose file.