Fix pex_test

# Rust tests and lints will be skipped. Delete if not intended.
[ci skip-rust]

# Building wheels and fs_util will be skipped. Delete if not intended.
[ci skip-build-wheels]

src/python/pants/backend/python/util_rules/pex_test.py

@@ -766,7 +766,9 @@ class M:
         invalid_reqs, invalid_constraints, uses_source_plugins, uses_project_ic
     )
 
-    metadata = LockfileMetadata(expected_digest, InterpreterConstraints([expected_constraints]))
+    metadata = LockfileMetadata.new(
+        expected_digest, InterpreterConstraints([expected_constraints]), set()
+    )
     requirements = _prepare_pex_requirements(
         rule_runner,
         lockfile_type,