chore: sync model pricing from OpenRouter API

providers/deepseek.toml

@@ -14,8 +14,8 @@ display_name = "DeepSeek V3"
 tier = "smart"
 context_window = 64000
 max_output_tokens = 8192
-input_cost_per_m = 0.15
-output_cost_per_m = 0.75
+input_cost_per_m = 0.32
+output_cost_per_m = 0.89
 supports_tools = true
 supports_vision = false
 supports_streaming = true