Fix pytest warnings: Data Validation extension / Unknown extension

[tinatn29]

Problem

src/regolith/tests/test_builders.py::test_builder[fs-recent-collabs]
src/regolith/tests/test_builders.py::test_builder_python[recent-collabs-fs]
/Users/Baitong/opt/anaconda3/envs/rego_env_311_new/lib/python3.11/site-packages/openpyxl/worksheet/_reader.py:329: UserWarning: Data Validation extension is not supported and will be removed
warn(msg)

src/regolith/tests/test_builders.py::test_builder[fs-recent-collabs]
src/regolith/tests/test_builders.py::test_builder_python[recent-collabs-fs]
/Users/Baitong/opt/anaconda3/envs/rego_env_311_new/lib/python3.11/site-packages/openpyxl/worksheet/_reader.py:329: UserWarning: Unknown extension is not supported and will be removed
warn(msg)

Proposed solution

find out what these messages mean... and fix them?

[sbillinge]

These are problems in openpyx. It will have to be fixed by openpyx, but we could look at that project and see how active it is. Also, make sure we are not pinning to an old version or something.