Try to fix caching

Author: ericpre

.github/workflows/release.yml

@@ -481,11 +481,10 @@ jobs:
           python check_hyperspy_latest.py
 
       - name: Get rosettasciio tests data location
-        shell: powershell
+        shell: bash
         run: |
-          & "${{ env.WP_DIR_NAME }}\scripts\env.bat"
-          $output = python -c "from rsciio.tests import registry; data_path = str(registry.TESTS_PATH / 'data'); print(f'ROSETTASCIIO_TEST_DATA={data_path}')"
-          Add-Content -Path $env:GITHUB_ENV -Value $output
+          ".\${{ env.WP_DIR_NAME }}\scripts\env.bat"
+          python -c "from rsciio.tests import registry; print(f'ROSETTASCIIO_TEST_DATA={str(registry.TESTS_PATH / \"data\") }')" >> $GITHUB_ENV
 
       - name: Cache rosettasciio data
         uses: actions/cache@v4