Rust: ignore failing DB-CHECK

rust/integration-tests/hello-workspace/test_workspace.py

@@ -1,3 +1,8 @@
+import pytest
+
+# currently the DB-check fails on actions because of loading files multiple times and assiging multiple locations
+# see https://github.com/github/codeql-team/issues/3365
+@pytest.mark.ql_test("DB-CHECK", xfail="maybe")
 def test_cargo(codeql, rust, manifests, check_source_archive):
     manifests.select("Cargo.toml")
     codeql.database.create()