Move setup environment steps to composite action

[atharva-2001]

:pencil: Description

Type: :beetle: bugfix | :rocket: feature | :biohazard: breaking change | :vertical_traffic_light: testing | :memo: documentation | :roller_coaster: infrastructure

The setup environment steps are redundant across all workflows and can be moved to a separate composite action file. This will make it easy to users to create new workflows and make them simpler.

:pushpin: Resources

Examples, notebooks, and links to useful references. Tests worked fine with the new setup. https://github.com/tardis-sn/tardis/actions/runs/9889637912/job/27317780010

:vertical_traffic_light: Testing

How did you test these changes?

• [X] Testing pipeline
• [ ] Other method (describe)
• [ ] My changes can't be tested (explain why)

:ballot_box_with_check: Checklist

• [ ] I requested two reviewers for this pull request
• [ ] I updated the documentation according to my changes
• [ ] I built the documentation by applying the build_docs label

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