DM XMLs: Add data model files at the 1.4.1 tag (#37381)

* Add 1.4.1 as a direct copy of 1.4

This can be used to see a diff between these two releases

* Update alchemy version on 1.4

changes contraints - will update on tot soon, but don't want to
wait for the PR to land before this goes in.

* data model files at the 1.4.1 tag

* Add 1.4.1 data model files to the CI checks

* Add 1.4.1 files to the python build

* Add 1.4.1 to parser with tests.

* Fix spec revision differ script

* Restyled by isort

---------

Co-authored-by: Restyled.io <commits@restyled.io>

Author: cecille

.github/workflows/check-data-model-directory-updates.yaml

@@ -37,6 +37,9 @@ jobs:
       - name: Check for changes to 1.4 data_model directory without a SHA update
         run: |
           python3 scripts/dm_xml_ci_change_enforcement.py data_model/1.4
+      - name: Check for changes to 1.4.1 data_model directory without a SHA update
+        run: |
+          python3 scripts/dm_xml_ci_change_enforcement.py data_model/1.4.1
 
   check-data_model-build-file:
     name: Check that all data_model files are listed in the data_model_xmls.gni build file