chore: Resolve startup warnings (#7335)

mealie/alembic/alembic.ini

@@ -1,6 +1,8 @@
 # A generic, single database configuration.
 
 [alembic]
+path_separator=os
+
 # path to migration scripts
 script_location = %(here)s
 

mealie/app.py

@@ -177,6 +177,7 @@ def main():
         log_config=None,
         workers=1,
         forwarded_allow_ips="*",
+        ws="websockets-sansio",
     )
 
 

mealie/main.py

@@ -15,6 +15,7 @@ def main():
         forwarded_allow_ips=settings.HOST_IP,
         ssl_keyfile=settings.TLS_PRIVATE_KEY_PATH,
         ssl_certfile=settings.TLS_CERTIFICATE_PATH,
+        ws="websockets-sansio",
     )