deps: Update dependency csv-diff to v1.2 (#483)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [csv-diff](https://redirect.github.com/simonw/csv-diff) | `==1.1` ->
`==1.2` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/csv-diff/1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/csv-diff/1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/csv-diff/1.1/1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/csv-diff/1.1/1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>simonw/csv-diff (csv-diff)</summary>

###
[`v1.2`](https://redirect.github.com/simonw/csv-diff/releases/tag/1.2)

[Compare
Source](https://redirect.github.com/simonw/csv-diff/compare/1.1...1.2)

- New feature: `--extra key "python format string"`, for adding
additional output keys to the human-readable version of the diff.
[#&#8203;38](https://redirect.github.com/simonw/csv-diff/issues/38)
- Don't crash in JSON format mode if some JSON keys are missing.
[#&#8203;13](https://redirect.github.com/simonw/csv-diff/issues/13)
- Now includes a `Dockerfile` and instructions for building and running
it that way. Thanks, [@&#8203;gourk](https://redirect.github.com/gourk).
[#&#8203;11](https://redirect.github.com/simonw/csv-diff/issues/11)

</details>

---

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retrieval_service/requirements-test.txt

@@ -6,5 +6,5 @@ mypy==1.8.0
 pytest-asyncio==0.23.6
 pytest==8.2.0
 types-PyYAML==6.0.12.20240724
-csv-diff==1.1
+csv-diff==1.2
 pytest-cov==5.0.0