Bump actions-ext/python/test-sdist (#41)

Bumps [actions-ext/python/test-sdist](https://github.com/actions-ext/python) from 6e1b91a408ea89f49bc8aff8724f83826f7b5446 to ec67f82b3bd863948308a41ecb9e70547cbb19c7.
- [Commits](actions-ext/python@6e1b91a...ec67f82)

---
updated-dependencies:
- dependency-name: actions-ext/python/test-sdist
  dependency-version: ec67f82b3bd863948308a41ecb9e70547cbb19c7
  dependency-type: direct:production
...

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Author: dependabot[bot]

.github/workflows/build.yaml

@@ -88,7 +88,7 @@ jobs:
           module: fsspec_python
 
       - name: Test source distribution
-        uses: actions-ext/python/test-sdist@6e1b91a408ea89f49bc8aff8724f83826f7b5446
+        uses: actions-ext/python/test-sdist@ec67f82b3bd863948308a41ecb9e70547cbb19c7
         with:
           module: fsspec_python