add module header for cicd.py

csst_common/cicd.py

+"""
+Identifier:     csst_common/cicd.py
+Name:           cicd.py
+Description:    CI/CD module
+Author:         Bo Zhang
+Created:        2023-12-20
+Modified-History:
+    2023-12-15, Bo Zhang, import CI/CD related objects to cicd.py
+    2023-12-20, Bo Zhang, update module header
+"""
 from .utils import retry
 from .pipeline import Pipeline, ModuleResult
 from .file import File