get single deployment api

[codecov-commenter]

Codecov Report

Patch coverage: 25.00% and project coverage change: -1.50 :warning:

Comparison is base (63c2c68) 82.91% compared to head (dd08997) 81.42%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #41 +/- ## ========================================== - Coverage 82.91% 81.42% -1.50% ========================================== Files 2 2 Lines 603 619 +16 ========================================== + Hits 500 504 +4 - Misses 103 115 +12 ``` | [Impacted Files](https://app.codecov.io/gh/DevDataPlatform/prefect-proxy/pull/41?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DevDataPlatform) | Coverage Δ | | |---|---|---| | [proxy/service.py](https://app.codecov.io/gh/DevDataPlatform/prefect-proxy/pull/41?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DevDataPlatform#diff-cHJveHkvc2VydmljZS5weQ==) | `77.08% <16.66%> (-1.15%)` | :arrow_down: | | [proxy/main.py](https://app.codecov.io/gh/DevDataPlatform/prefect-proxy/pull/41?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DevDataPlatform#diff-cHJveHkvbWFpbi5weQ==) | `86.14% <30.00%> (-1.97%)` | :arrow_down: |

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