Mart review plan updates

[tom-tuva]

Describe your changes

Please include a summary of any changes.
Adding member_month_key to core.member_month that incorporates payer and plan. This helps keep a distinct key for situations where one data source or payer has multiple plans (e.g., a person with a medical, dental, and vision plan).

Also added enrollment flag to core.pharmacy_claim to incorporate member_month_key and be able to limit pharmacy claims that were paid while the person had enrollmen.

How has this been tested?

Please describe the tests you ran to verify your changes. Provide instructions or code to reproduce output.
tested locally.

Reviewer focus

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Checklist before requesting a review

• I have added at least one Github label to this PR (bug, enhancement, breaking change,...)
• My code follows style guidelines
• (New models) YAML files are categorized by sub folder and models listed in alphabetical order
• (New models) I have added a config to each new model to enable it for claims and/or clinical data
• (New models) I have added the variable tuva_last_run to the final output
• (Optional) I have recorded a Loom to explain this PR

Package release checklist

• I have updated dbt docs
• I have updated the version number in the dbt_project.yml

(Optional) Gif of how this PR makes you feel

Loom link