feat/workflow-dbe-single-select

[tohuynh]

Pull request recommendations:

• Name your pull request your-development-type/short-description. Ex: feature/read-tiff-files
• Link to any relevant issue in the PR description. Ex: Resolves [feature/add-link-checker #12], adds tiff file format support
• An example of user's input error: https://github.com/SIGLA-GU/siglatools/actions/runs/6490585617
• Provide context of changes.
• Reduce potential error in user's input, by changing the workflow's database environment input to a single select input with two options -- staging and production, with the default being staging.
• Provide relevant tests for your feature or bug fix.
• Provide or update documentation for any feature added by your pull request.

Thanks for contributing!