Updated most python dependencies

Primarily FastAPI and Pydantic to v2. Also ruff to latest.

Updated some code to support Pydantic v2

migrations/script.py.mako

@@ -4,6 +4,7 @@ Revision ID: ${up_revision}
 Revises: ${down_revision | comma,n}
 Create Date: ${create_date}
 """
+
 import sqlalchemy as sa
 from alembic import op
 ${imports if imports else ""}