Deprecate ssl_version. (#853)

plugins/inventory/docker_containers.py

@@ -21,6 +21,7 @@ author:
 extends_documentation_fragment:
     - ansible.builtin.constructed
     - community.docker.docker.api_documentation
+    - community.docker.docker.ssl_version_deprecation
     - community.library_inventory_filtering_v1.inventory_filter
 description:
     - Reads inventories from the Docker API.

plugins/inventory/docker_swarm.py

@@ -78,6 +78,9 @@ DOCUMENTATION = '''
                 - Provide a valid SSL version number. Default value determined
                   by L(SSL Python module, https://docs.python.org/3/library/ssl.html).
             type: str
+            deprecated:
+                why: This was necessary a long time ago to handle problems with SSL versions. It is no longer necessary nowadays.
+                version: 4.0.0
         api_version:
             description:
                 - The version of the Docker API running on the Docker Host.