Updates for new L1/L2 schema.

[schlafly]

This PR updates the metadata populated by romanisim to accommodate changes to the L1 and L2 schema coming in build 18 (spacetelescope/rad#574).

[codecov]

Codecov Report

Attention: Patch coverage is 42.85714% with 4 lines in your changes missing coverage. Please review.

Project coverage is 89.61%. Comparing base (aff3e51) to head (b6a231d).
Report is 28 commits behind head on main.

Files with missing lines	Patch %	Lines
romanisim/ris_make_utils.py	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #211      +/-   ##
==========================================
- Coverage   89.63%   89.61%   -0.02%     
==========================================
  Files          17       17              
  Lines        2277     2292      +15     
==========================================
+ Hits         2041     2054      +13     
- Misses        236      238       +2     

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