fix(deps): update dependency fastapi to v0.123.9 (#310)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Adoption](https://docs.renovatebot.com/merge-confidence/) |
[Passing](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|---|---|
| [fastapi](https://redirect.github.com/fastapi/fastapi)
([changelog](https://fastapi.tiangolo.com/release-notes/)) | `==0.123.7`
-> `==0.123.9` |
![age](https://developer.mend.io/api/mc/badges/age/pypi/fastapi/0.123.9?slim=true)
|
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|
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|
![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/fastapi/0.123.7/0.123.9?slim=true)
|

---

### Release Notes

<details>
<summary>fastapi/fastapi (fastapi)</summary>

###
[`v0.123.9`](https://redirect.github.com/fastapi/fastapi/compare/0.123.8...0.123.9)

[Compare
Source](https://redirect.github.com/fastapi/fastapi/compare/0.123.8...0.123.9)

###
[`v0.123.8`](https://redirect.github.com/fastapi/fastapi/releases/tag/0.123.8)

[Compare
Source](https://redirect.github.com/fastapi/fastapi/compare/0.123.7...0.123.8)

##### Fixes

- 🐛 Fix OpenAPI security scheme OAuth2 scopes declaration, deduplicate
security schemes with different scopes. PR
[#&#8203;14455](https://redirect.github.com/fastapi/fastapi/pull/14455)
by [@&#8203;tiangolo](https://redirect.github.com/tiangolo).

</details>

---

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pyproject.toml

@@ -5,7 +5,7 @@ description = "BSS file server API"
 authors = [{ name = "Bence Csik", email = "22349790+csikb@users.noreply.github.com" }]
 requires-python = "==3.14.1"
 dependencies = [
-    "fastapi[standard-no-fastapi-cloud-cli]==0.123.7",
+    "fastapi[standard-no-fastapi-cloud-cli]==0.123.9",
     "pillow==12.0.0",
     # this should be part of standard-no-fastapi-cloud-cli, but is missing:
     # see: https://github.com/fastapi/fastapi/blob/6fae64ff49e8328048872714652a4dfa15406e41/pyproject.toml#L94-L98