Update inverse linearity's reftype

[WilliamJamieson]

This is the matching PR to spacetelescope/rad#272 in order for roman_datamodels to remain compatible with RAD.

Checklist

• Added entry in CHANGES.rst under the corresponding subsection
• updated relevant tests
• updated relevant documentation
• Passed romancal regression testing on Jenkins / PLWishMaster. Link: https://plwishmaster.stsci.edu:8081/job/RT/job/Roman-devdeps/299/

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.09 ⚠️

Comparison is base (35d7c6b) 98.01% compared to head (e6bb6be) 97.93%.

❗ Current head e6bb6be differs from pull request most recent head 4d6e3be. Consider uploading reports for the commit 4d6e3be to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #195      +/-   ##
==========================================
- Coverage   98.01%   97.93%   -0.09%     
==========================================
  Files           8        8              
  Lines        1209     1209              
==========================================
- Hits         1185     1184       -1     
- Misses         24       25       +1     

Impacted Files	Coverage Δ
tests/test_models.py	98.29% <100.00%> (ø)

... and 1 file with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[WilliamJamieson]

I'm leaving this in draft form, simply because its pyproject.toml will need to be updated once the RAD change is merged.

[PaulHuwe]

LGTM

[PaulHuwe]

LGTM