Restrict python version to 3.12.4

Python 3.12.5 is resulting in a documentation build failure due to
compatability issues with mkdocstrings. Once a fix has been released, we
will un-restrict the version.

.github/workflows/VariableProducer.yml

@@ -14,7 +14,7 @@ on:
         value: ${{ jobs.produce.outputs.node-versions }}
 
 env:
-  pythonversions: "['3.12', '3.11', '3.10']" # Keep Python Versions in descending order
+  pythonversions: "['3.12.4', '3.11', '3.10']" # Keep Python Versions in descending order
   nodeversions: "['19']"
 
 jobs: