Revert "test artifacts cleanup"

This reverts commit f289120.

Author: lpawelcz

.github/workflows/sv-tests-ci.yml

@@ -126,6 +126,3 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           filename: ../../out/tests_summary.json
-      - uses: geekyeggo/delete-artifact@v1
-        with:
-          name: changes_summary*