Update schema for metadata API

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +2.23 :tada:

Comparison is base (3f3ab60) 86.75% compared to head (67143b4) 88.99%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #82 +/- ## ========================================== + Coverage 86.75% 88.99% +2.23% ========================================== Files 17 17 Lines 1480 1781 +301 ========================================== + Hits 1284 1585 +301 Misses 196 196 ``` | [Impacted Files](https://codecov.io/gh/dpguthrie/dbtc/pull/82?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Doug+Guthrie) | Coverage Δ | | |---|---|---| | [dbtc/\_version.py](https://codecov.io/gh/dpguthrie/dbtc/pull/82?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Doug+Guthrie#diff-ZGJ0Yy9fdmVyc2lvbi5weQ==) | `100.00% <100.00%> (ø)` | | | [dbtc/client/schema.py](https://codecov.io/gh/dpguthrie/dbtc/pull/82?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Doug+Guthrie#diff-ZGJ0Yy9jbGllbnQvc2NoZW1hLnB5) | `100.00% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Doug+Guthrie). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Doug+Guthrie)

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