Allow generation of metrics.json simply by accessing the artifacts folder.

report_generator/__main__.py

@@ -1,8 +1,8 @@
 """Entrypoint for the report generator CLI."""
 
-from cc_common.api.cli import CLIManager
-from cc_common.config import load_environment
-from persistent_storage.shared import inject_secrets
+from .vendor.cc_common.api.cli import CLIManager
+from .vendor.cc_common.config import load_environment
+from .vendor.persistent_storage.shared import inject_secrets
 
 from .commands.generate import FolderProperties, GenerateProperties, from_folder, generate