Keep project_name shorter than the limit (#3106)

* Fix #3093

* Address comments

nvflare/lighter/provision.py

@@ -133,6 +133,10 @@ 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("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["name"] = project_name
     project_description = project_dict.get("description", "")
     participants = list()
     for p in project_dict.get("participants"):