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<!--The title should clearly define your contribution succinctly.-->
# Flatten matrix-shaped arrays to 1D arrays for `c_double` casting

<!-- Describe your feature here. Please include any code snippets or
examples in this section. -->
This PR is addressing the test failures cropping up in #509 caused by
passing a (N, 1) NumPy array to a (N,) `c_double` array. By reshaping
the NumPy arrays to shape (N,) the issue is resolved.

## PR Checklist

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the markdown to render. -->
- [x] `RELEASE.md` has been updated to describe the changes made in this
PR
- [ ] Documentation
  - [ ] Docstrings are up-to-date
  - [ ] Related `docs/` files are up-to-date, or added when necessary
  - [ ] Documentation has been rebuilt successfully
  - [ ] Examples have been updated
- [x] Tests pass (If not, and this is expected, please elaborate in the
tests section)
- [x] PR description thoroughly describes the new feature, bug fix, etc.

## Related issues

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N/A, this is a brand new issue blocking a PR.

## Impacted areas of the software

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- `hopp/simulation/technologies/pySSC_daotk/ssc_wrap.py`
- `PySSC.data_set_array`: reshapes the passed NumPy array from (N, 1) to
(N).
- `hopp/simulation/technologies/csp/pySSC_daotk/ssc_wrap.py`
- `PySSC.data_set_array`: reshapes the passed NumPy array from (N, 1) to
(N).

## Additional supporting information

<!--Add any other context about the problem here.-->
All test failures were due to this line of code in
`hopp/simulation/technologies/pySSC_daotk/ssc_wrap.py::PySSC.data_set_array`

<img width="630" height="120" alt="image"
src="https://github.com/user-attachments/assets/ded8bb3c-8890-41a6-adb5-eb5f6fc2b437"
/>


## Test results, if applicable

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