ci: fix string in horde dep update test

tests/test_horde_dep_updates.py

@@ -8,7 +8,7 @@ def test_horde_bridge_updating(horde_dependency_versions: list[tuple[str, str]])
 
     found_line = False
     for line in script_lines:
-        if line.startswith("call runtime python -s -m pip install"):
+        if "python -s -m pip install" in line:
             found_line = True
             assert "-U" in line, "No -U flag found in pip install command"
             for dep, version in horde_dependency_versions: