chore(deps): update pdm-project/setup-pdm action to v4 (#1963)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [pdm-project/setup-pdm](https://togithub.com/pdm-project/setup-pdm) |
action | major | `v3` -> `v4` |

---

### Release Notes

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

### [`v4`](https://togithub.com/pdm-project/setup-pdm/releases/tag/v4)

[Compare
Source](https://togithub.com/pdm-project/setup-pdm/compare/v3...v4)

#### What's Changed

- build(node): update dependencies and build to target Node 20 by
[@&#8203;noirbizarre](https://togithub.com/noirbizarre) in
[https://github.com/pdm-project/setup-pdm/pull/46](https://togithub.com/pdm-project/setup-pdm/pull/46)
- chore: update project and lock files by
[@&#8203;frostming](https://togithub.com/frostming) in
[https://github.com/pdm-project/setup-pdm/pull/47](https://togithub.com/pdm-project/setup-pdm/pull/47)
- feat: support python-version-file input by
[@&#8203;frostming](https://togithub.com/frostming) in
[https://github.com/pdm-project/setup-pdm/pull/48](https://togithub.com/pdm-project/setup-pdm/pull/48)

#### New Contributors

- [@&#8203;noirbizarre](https://togithub.com/noirbizarre) made their
first contribution in
[https://github.com/pdm-project/setup-pdm/pull/46](https://togithub.com/pdm-project/setup-pdm/pull/46)

**Full Changelog**:
pdm-project/setup-pdm@v3.3...v4

</details>

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.github/workflows/python.yaml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
       - name: Set up PDM
-        uses: pdm-project/setup-pdm@ddc33ca746b5716353581f988b29464200212702 # v3
+        uses: pdm-project/setup-pdm@568ddd69406b30de1774ec0044b73ae06e716aa4 # v4
         with:
           python-version: ${{ matrix.python-version }}