add alembic-postgresql-enum dependency for detecting enum changes

compendium_v2/migrations/env.py

 import logging
-
+import alembic_postgresql_enum  # type: ignore # noqa: F401
 from flask import current_app
-
 from alembic import context
 
 # this is the Alembic Config object, which provides

requirements.txt

 alembic~=1.10
+# needed to support auto discovery of and applying enum changes
+alembic-postgresql-enum~=0.1
 click~=8.1
 jsonschema~=4.17
 flask~=2.2

setup.py

@@ -11,6 +11,7 @@ setup(
     packages=find_packages(),
     install_requires=[
         'alembic~=1.10',
+        'alembic-postgresql-enum~=0.1',
         'click~=8.1',
         'jsonschema~=4.17',
         'flask~=2.2',