Fix CI: downgrade OpenRouter compat to 1.0

Author: Sixzero

Project.toml

@@ -7,7 +7,7 @@ version = "0.1.0"
 OpenRouter = "b1229eab-bc7b-489c-92b5-04baf87d8d0b"
 
 [compat]
-OpenRouter = "1.1"
+OpenRouter = "1.0"
 julia = "1.11"
 
 [extras]