Fix sedimentation

[sajjadazimi]

Purpose

Sedimentation module is fixed and allocation tests are added

I have:

• followed the codebase contribution guide: https://clima.github.io/ClimateMachine.jl/latest/Contributing/
• followed the style guide: https://clima.github.io/ClimateMachine.jl/latest/DevDocs/CodeStyle/
• followed the documentation policy: https://github.com/CliMA/policies/wiki/Documentation-Policy
• checked that this PR does not duplicate an open PR.

In the Content, I have included

• relevant unit tests, and integration tests,
• appropriate docstrings on all functions, structs, and modules, and included relevant documentation.
• I have read and checked the items on the review checklist.

[codecov[bot]]

Codecov Report

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

Project coverage is 98.03%. Comparing base (29b59bb) to head (f2434ce). Report is 8 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #155 +/- ## ========================================== - Coverage 98.17% 98.03% -0.14% ========================================== Files 8 9 +1 Lines 493 509 +16 ========================================== + Hits 484 499 +15 - Misses 9 10 +1 ```

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