Use bash as default shell for cross-platform glob support

Set bash as the default shell for the test job to ensure glob
patterns work consistently on both Ubuntu and Windows runners.
This simplifies the workflow by avoiding platform-specific paths.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: RonnyPfannschmidt

.github/workflows/test.yml

@@ -23,6 +23,9 @@ jobs:
   test:
     needs: build-and-inspect
     runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash
 
     strategy:
       fail-fast: false
@@ -50,7 +53,6 @@ jobs:
           ls -la dist/
           test -f dist/*.whl || (echo "No wheel found!" && exit 1)
           test -f dist/*.tar.gz || (echo "No sdist found!" && exit 1)
-        shell: bash
 
       - name: Install uv
         uses: astral-sh/setup-uv@v7