build: Update ihm to 2.2

Author: zjp

prereqs/pips/app_requirements.txt

@@ -14,7 +14,7 @@ Cython==3.0.12
 filelock==3.17.0
 grako==3.16.5
 html2text==2024.2.26
-ihm==1.3
+ihm==2.2
 imagecodecs==2024.6.1
 ipykernel==6.29.5
 # if ipython updated, make sure autocompletion still works (e.g. "mi<tab>" becomes min) and if not then