text: Title: Include PySocks package in st2client module.
  Body: ## SUMMARY
  
  By default, the st2client cli doesn't support SOCKS proxy connection using `HTTP_PROXY`, `HTTPS_PROXY` because it lacks the `pysocks` pypi package.
  
  ### STACKSTORM VERSION
  
  ```
  ❯ st2 --version
  st2 3.5.0, on Python 3.8.12
  ```
  
  ### OS, environment, install method
  
  Client: MacOS Big Sur, Python 3.8
  Stackstorm: Ubuntu 18.04, Python 3.6
  
  ## Steps to reproduce the problem
  
  Attempt to use the st2 cli with `HTTP_PROXY`, `HTTPS_PROXY` set.
  
  ## Expected Results
  
  No errors, and able to query the stackstorm server.
  
  ## Actual Results
  
  Currently get the following error.
  
  ```
  ERROR: Missing dependencies for SOCKS support.
  ```
  
  To work around this for now, I install pysocks on my virtual environment where st2client is installed `pip install pysocks==1.7.1`.
  