Reproducibility table improvements

[charleskawczynski]

Currently, we have:

[ Info: ########################################## Reproducibility tests
  | ┌───────────────┬──────────────────────────────────┬────────────┬─────┬────────┐
  | │        Source │                         Variable │ Data scale │ MSE │ Status │
  | ├───────────────┼──────────────────────────────────┼────────────┼─────┼────────┤
  | │      computed │                    (:c, :ρq_tot) │    skipped │     │        │
  | │      computed │                    (:c, :ρe_tot) │    skipped │     │        │
  | │      computed │ (:c, :uₕ, :components, :data, 1) │    skipped │     │        │
  | │      computed │ (:f, :u₃, :components, :data, 1) │    skipped │     │        │
  | │      computed │                         (:c, :ρ) │    skipped │     │        │
  | │      computed │ (:c, :uₕ, :components, :data, 2) │    skipped │     │        │
  | │ output_active │                    (:c, :ρq_tot) │        0.0 │ 0.0 │     🟢 │
  | │ output_active │                    (:c, :ρe_tot) │        0.0 │ 0.0 │     🟢 │
  | │ output_active │ (:c, :uₕ, :components, :data, 1) │        0.0 │ 0.0 │     🟢 │
  | │ output_active │ (:f, :u₃, :components, :data, 1) │        0.0 │ 0.0 │     🟢 │
  | │ output_active │                         (:c, :ρ) │        0.0 │ 0.0 │     🟢 │
  | │ output_active │ (:c, :uₕ, :components, :data, 2) │        0.0 │ 0.0 │     🟢 │
  | └───────────────┴──────────────────────────────────┴────────────┴─────┴────────┘

and the output_active should be a commit hash, found from the path. Some of these improvements can be moved to ClimaReproducibilityTests.jl

[charleskawczynski]

We should export the data scales, so that we can include them (they're currently not included in the mse dict).