Update dependency python-dotenv to v1.2.0

Author: renovate[bot]

requirements.txt

@@ -14,7 +14,7 @@ packaging==24.2
 pluggy==1.5.0
 pytest==8.3.5
 pytest-cov==6.0.0
-python-dotenv==1.0.1
+python-dotenv==1.2.0
 SQLAlchemy==2.0.39
 typing_extensions==4.12.2
 Werkzeug==3.1.3