bump up version

[sandrahoang686]

Summary:

• What did I do?
  Bump up version to 0.4.0-dev for the next release

• Why *** did I do it? (What was the motivation?)

• How *** can someone test or demo my changes?

  *** When relevant, use screenshots to document

Fixes or Addresses Issue #: [ticket number & link]

Checklist before requesting a review:

• My code follows the guidelines of this project
• I performed a self-review of my code changes
• I have added my changes to the change log (HISTORY.rst)
• I have completed spell-checking, removed unnecessary print statements & commented-out code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• New and existing unit tests pass locally with my changes

[sandrahoang686]

Keeping this open until deploying to MAAP & VEDA are successful