Enable CI testing for C48-S2SWA-gefs on AWS and other CSPs

[weihuang-jedi]

Description

Enabling CI testing on AWS for C48-S2SWA-gefs case.

Resolves #3101

Type of change

• Bug fix (fixes something broken)
• [x ] New feature (adds functionality)
• Maintenance (code refactor, clean-up, new CI test, etc.)

Change characteristics

• Is this a breaking change (a change in existing functionality)? NO
• Does this change require a documentation update? NO (but may need to add with others at later time)
• Does this change require an update to any of the following submodules? NO (If YES, please add a link to any PRs that are pending.)
  • EMC verif-global
  • GDAS
  • GFS-utils
  • GSI
  • GSI-monitor
  • GSI-utils
  • UFS-utils
  • UFS-weather-model
  • wxflow

How has this been tested?

• Clone and build on AWS
• C48-S2SWA-gefs run on AWS

Checklist

• Any dependent changes have been merged and published
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have documented my code, including function, input, and output descriptions
• My changes generate no new warnings
• New and existing tests pass with my changes
• This change is covered by an existing CI test or a new one has been added
• Any new scripts have been added to the .github/CODEOWNERS file with owners
• I have made corresponding changes to the system documentation if necessary

[weihuang-jedi]

Please do review this draft PR.
This is a prototype test for CI testing on AWs for C48-S2SWA-gefs case.