Update system.yml

Author: wenting-zhao

.github/workflows/system.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Build docker images
         run: uv run commit0 build simpy
       - name: Set up git user
-        run: sudo -E uv run commit0 setup-git-user simpy
+        run: sudo "$(which uv)" run commit0 setup-git-user simpy
       - name: Get tests
         run: uv run commit0 get-tests simpy
       - name: Test