Add auth token to st2 workflow inspect

[LindsayHill]

Fixes #4614

Before:

lhill@ewcdemo:~$  st2 workflow inspect --action examples.orquesta-with-items
ERROR: 401 Client Error: Unauthorized
MESSAGE: Unauthorized - One of Token or API key required. for url: http://127.0.0.1:9101/v1/workflows/inspect

lhill@ewcdemo:~$

After:

lhill@ewcdemo:~$  st2 workflow inspect --action examples.orquesta-with-items
No errors found in workflow definition.
lhill@ewcdemo:~$

[m4dcoder]

LGTM. Thanks

[trstruth]

thanks for fixing this