Fixed Plotting for New CI

[scrasmussen]

TYPE: bugfix

KEYWORDS: CI, Github Actions

SOURCE: Soren Rasmussen, NCAR

DESCRIPTION OF CHANGES: This fixes paths for the new CI. When there's a difference in output from PR changes, plots are generated and need to be copied into a directory that gets zipped as an artifact. Commit is copied from testing/new-ci-plotting branch. See "Tests Conducted" section.

TESTS CONDUCTED:

• Commit 5e9d1a4 from the testing/new-ci-plotting branches changes constants so the output from the CI run is different
• Commit 1bd34d5 (which is the same as this PR's 5e309a3) has the changes to paths so the correct directories and files are copied to the test-report artifact.
• See test-reports at bottom of CI run.

NOTES: Once this is merged PR#747 can be closed.

TODO:

• [ ] put plots in the comments

Checklist

• [ ] Closes issue #xxxx
• [ ] Tests added (unit tests and/or regression/integration tests)
• [X] Backwards compatible
• [ ] Requires new files? If so, how to generate them.
• [ ] Documentation included
• [ ] Short description in the Development section of NEWS.md

[scrasmussen]

Plots are now attaching, as seen in the test PR. There seems to be an issue when all cases are trying to push the images to the same branch but at least some are getting through. The github artifact does have all of the plots though