fetch a flow run api

[codecov-commenter]

Codecov Report

Patch coverage: 16.66% and project coverage change: -1.75 :warning:

Comparison is base (4cdcf08) 83.67% compared to head (0c4575e) 81.93%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #47 +/- ## ========================================== - Coverage 83.67% 81.93% -1.75% ========================================== Files 2 2 Lines 674 692 +18 ========================================== + Hits 564 567 +3 - Misses 110 125 +15 ``` | [Impacted Files](https://app.codecov.io/gh/DevDataPlatform/prefect-proxy/pull/47?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/47?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DevDataPlatform#diff-cHJveHkvc2VydmljZS5weQ==) | `75.75% <14.28%> (-1.34%)` | :arrow_down: | | [proxy/main.py](https://app.codecov.io/gh/DevDataPlatform/prefect-proxy/pull/47?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DevDataPlatform#diff-cHJveHkvbWFpbi5weQ==) | `87.56% <18.18%> (-2.18%)` | :arrow_down: |

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