SIENTIAPDE-1252: Improve caching in quality gate, add alt text to logo, and change exception type in MLflow repository.

model_manager/reports/header.html

@@ -110,6 +110,7 @@
         <a href="#" class="logo">
           <img
             src="https://aignosi.blob.core.windows.net/sientia/20231016-Aignosi_Logo_WHITE.png"
+            alt="Aignosi Logo"
             width="247"
             height="70"
           />

model_manager/utils/repository/model_repository.py

@@ -607,7 +607,7 @@ class MLFlowRepository:
         except Exception as e:
             error_msg = f"Failed to save run '{data.run_name}' to MLflow: {str(e)}"
             self.logger.error(error_msg)
-            raise Exception(error_msg) from e
+            raise RuntimeError(error_msg) from e
 
     def _init_artifacts_data(self, data: TrainModelResult) -> tuple[pd.DataFrame, pd.DataFrame]:
         """