chore: update OpenAPI spec [sdk-bot]

Author: OpenRouter SDK Bot

.speakeasy/in.openapi.yaml

@@ -15939,7 +15939,9 @@ components:
         config:
           properties:
             account:
+              maxLength: 255
               minLength: 1
+              pattern: '^[a-zA-Z0-9_]+(?:[.-][a-zA-Z0-9_]+)*$'
               type: 'string'
             database:
               default: 'SNOWFLAKE_LEARNING_DB'