add dbconn retry

pyproject.toml

@@ -7,6 +7,7 @@ requires-python = ">=3.13"
 dependencies = [
     "django>=5.1.6",
     "django-cors-headers>=4.7.0",
+    "django-dbconn-retry>=0.1.8",
     "django-extensions>=3.2.3",
     "django-ninja>=1.3.0",
     "gunicorn>=23.0.0",