use a pattern

Author: anthony-nhs

.github/workflows/regression_tests.yml

@@ -297,6 +297,7 @@ jobs:
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53
         with:
           path: downloaded_artifacts
+          pattern: allure-results-*
 
       - name: Place matrix artifacts in allure results
         run: |