try fix CI errors by updating ChargeInsertionAnalyzer import module

Author: janosh

atomate/vasp/workflows/tests/test_insertion_workflow.py

@@ -12,7 +12,7 @@
 from atomate.vasp.workflows.base.electrode import get_ion_insertion_wf
 
 try:
-    from pymatgen.analysis.defects import ChargeInsertionAnalyzer
+    from pymatgen.analysis.defects.utils import ChargeInsertionAnalyzer
 except ImportError:
     ChargeInsertionAnalyzer = None