1) Add C3_MYNN SDF file and 2) Change dt_inner=75 for any configuration running aerosol-aware Thompson (ltaerosol=.true.)

[kayeekayee]

Add C3_MYNN SDF file
Change dt_inner=75 for any configuration running aerosol-aware Thompson (ltaerosol=.true.)

• Bug fix (fixes something broken)
• New feature (adds functionality)

Change characteristics

• Is this a breaking change (a change in existing functionality)?NO
• Does this change require a documentation update?NO

How has this been tested?

On Hera, 48 hrs completed: /scratch1/BMC/gsd-fv3-dev/KaYee.Wong/test_kayee/gsl_ufs_dev_2024_02_21/FV3GFSrun/c3_mynn

Checklist

• [x ] Any dependent changes have been merged and published
• [x ] My code follows the style guidelines of this project
• [x ] I have performed a self-review of my own code
• [x ] I have commented my code, particularly in hard-to-understand areas
• [x ] My changes generate no new warnings
• [x ] New and existing tests pass with my changes
• [ x] I have made corresponding changes to the documentation if necessary