Remove redundant config: attestations is now default

Author: hugovk

.github/workflows/release.yml

@@ -61,7 +61,6 @@ jobs:
       - name: Upload package to Test PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          attestations: true
           repository-url: https://test.pypi.org/legacy/
 
   # Upload to real PyPI on GitHub Releases.
@@ -85,5 +84,3 @@ jobs:
 
       - name: Upload package to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          attestations: true