Update Spack to 0.22

[ldowen]

Summary

• This PR updates Spack and aspects of the TPLs
• It does the following:
  • The Spack hash used by uberenv is updated
  • The TPL Spack packages are updated or removed if possible
  • TPL manager logic is modified so only a single install call occurs
  • Spack configurations are updated
  • Package providers are set to avoid arbitrary concretization issues for downstream libraries

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ToDo :

• Annotate RELEASE_NOTES.md with notable changes.
• Create LLNLSpheral PR pointing at this branch. (PR#82)
• LLNLSpheral PR has passed all tests.

[mdavis36]

Good work on getting through this slog, hopefully we can start to update more regularly and avoid such a heavy lift in the future. Just a couple of questions and one change request in terms of our upstream directory name. I hope it isn't too much of a pain to move ...

[mdavis36]

@ldowen LGTM