Changes to spackage, CMake export config

[mauneyc-LANL]

PR Summary

1.) Change from BUILD_TESTING to SPINER_BUILD_TESTS 2.) Ensure SPINER_USE_HDF is exported when doing standalone install 3.) Turn down cmake version 4.) Spackage dependency to propagate main version to ports-of-call

This is a requirement for https://github.com/lanl/singularity-eos/pull/246

PR Checklist

• [ ] Code is formatted. (You can use the format_spiner make target.)
• [ ] Adds a test for any bugs fixed. Adds tests for new features.
• [ ] If preparing for a new release, update the version in cmake.

[dholladay00]

This passes gitlab CI as well, merging.