Allow any value for dicts contained in j

Fix:

```
Traceback (most recent call last):
  File "/usr/users/ga002/soranzon/software/nsoranzo_gxformat2/.venv/bin/schema-salad-doc", line 8, in <module>
    sys.exit(main())
  File "schema_salad/makedoc.py", line 696, in main
  File "schema_salad/makedoc.py", line 731, in makedoc
  File "schema_salad/makedoc.py", line 511, in avrold_doc
  File "schema_salad/makedoc.py", line 207, in __init__
TypeError: str object expected; got ruamel.yaml.comments.CommentedSeq
```

when running:

```
schema-salad-doc --brandstyle '<link rel="stylesheet" href="https://jamestaylor.org/galaxy-bootstrap/galaxy_bootstrap.css">' --brandinverse --brand '<img src="icon.png" />' --brandlink '' --only https://galaxyproject.org/gxformat2/v19_09#WorkflowDoc --only https://galaxyproject.org/gxformat2/v19_09#GalaxyWorkflow workflow.yml
```

schema_salad/makedoc.py

@@ -187,7 +187,7 @@ class RenderType:
     def __init__(
         self,
         toc: ToC,
-        j: List[Dict[str, str]],
+        j: List[Dict[str, Any]],
         renderlist: List[str],
         redirects: Dict[str, str],
         primitiveType: str,