Add diagnosis code to CCSR singular_condition_category table

[sarah-tuva]

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Describe the bug - Required
A clear and concise description of what the bug is.

The diagnosis code and description are missing from the ccsr.singular_condition_category table.

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Environment - Required

• Tuva project package version (e.g. 0.6.0): Tuva v0.10.4
• dbt version (e.g. 1.7): dbt v1.7
• dbt type (e.g. dbt cloud or dbt CLI): CLI
• Data warehouse (e.g. Snowflake): Snowflake

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To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

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Expected behavior
A clear and concise description of what you expected to happen.

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Screenshots
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Additional context
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