Keep project_name shorter than the limit (NVIDIA#3106)

* Fix NVIDIA#3093

* Address comments

nvflare/lighter/provision.py

@@ -142,6 +142,10 @@ def prepare_project(project_dict, add_user_file_path=None, add_client_file_path=
     if api_version not in [3]:
         raise ValueError(f"API version expected 3 but found {api_version}")
     project_name = project_dict.get(PropKey.NAME)
+    if len(project_name) > 63:
+        print(f"Project name {project_name} is longer than 63.  Will truncate it to {project_name[:63]}.")
+        project_name = project_name[:63]
+        project_dict[PropKey.NAME] = project_name
     project_description = project_dict.get(PropKey.DESCRIPTION, "")
     project = Project(name=project_name, description=project_description, props=project_dict)
     participant_defs = project_dict.get("participants")