actions: add step to show logs

.forgejo/workflows/end-to-end.yml

@@ -72,6 +72,9 @@ jobs:
       - uses: https://code.forgejo.org/actions/checkout@v4
       - uses: ./.forgejo/prepare-end-to-end
       - run: su forgejo -c "./end-to-end.sh test_actions"
+      - name: full logs
+        if: always()
+        run: su forgejo -c "./end-to-end.sh show_logs"
 
   actions-docs:
     needs: [build]