Update dependency pdm to v2.17.3 (#97)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [pdm](https://togithub.com/pdm-project/pdm)
([changelog](https://pdm-project.org/latest/dev/changelog/)) | patch |
`==2.17.2` -> `==2.17.3` |

---

### Release Notes

<details>
<summary>pdm-project/pdm (pdm)</summary>

###
[`v2.17.3`](https://togithub.com/pdm-project/pdm/blob/HEAD/CHANGELOG.md#Release-v2173-2024-08-01)

[Compare
Source](https://togithub.com/pdm-project/pdm/compare/2.17.2...2.17.3)

##### Bug Fixes

- Fix a crash issue when `requires-python` is absent in the project
metadata.
([#&#8203;3062](https://togithub.com/pdm-project/pdm/issues/3062))
- Now correctly sets related config for PDM_IGNORE_SAVED_PYTHON when it
is set to "false", "no", "0".
([#&#8203;3064](https://togithub.com/pdm-project/pdm/issues/3064))
- Fix a bug that PDM plugins installed from project-root cannot be
loaded, if they have dependencies.
([#&#8203;3067](https://togithub.com/pdm-project/pdm/issues/3067))

</details>

---

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requirements.txt

@@ -1,5 +1,5 @@
 cruft==2.15.0
 mex-release @ git+https://github.com/robert-koch-institut/mex-release.git
-pdm==2.17.2
+pdm==2.17.3
 pre-commit==3.8.0
 wheel==0.43.0