Use project root for docker volume prefix

[wslulciuc]

Fixes https://github.com/MarquezProject/marquez/issues/2382. For more details see discussion.

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 81.16%. Comparing base (8a0550a) to head (c9c44a1). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2943 +/- ## ========================================= Coverage 81.16% 81.16% Complexity 1506 1506 ========================================= Files 268 268 Lines 7363 7363 Branches 329 329 ========================================= Hits 5976 5976 Misses 1226 1226 Partials 161 161 ```

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