chore(deps): update dependency pdm to v2.26.5 (#57)

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| pypi       | pdm     | 2.26.4 | 2.26.5 |

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/prune.yaml

@@ -44,7 +44,7 @@ jobs:
         uses: pdm-project/setup-pdm@94a823180e06fcde4ad29308721954a521c96ed0 # v4.4
         with:
           python-version-file: .python-version
-          version: 2.26.4 # renovate: datasource=pypi depName=pdm
+          version: 2.26.5 # renovate: datasource=pypi depName=pdm
           cache: true
 
       - name: Install pdm dependencies