SIENTIAPDE-1171

Update dependencies and enhance ML model retraining functionality

- Updated sientia-dataops-library version in requirements.txt from 1.3.3 to 1.3.4.
- Incremented image tag in values.yaml from 0.2.4 to 0.2.5 and added a new environment variable MONGODB_TTL_INDEX_HOURS.
- Introduced new methods in MLFlowRepository for model retraining and production model updates, including error handling and logging.
- Added retrain_model and update_production_model activities in mlflow.py to support model management workflows.
- Modified MongoDB connection settings in connectors_config.py for improved security and configuration flexibility.

values.yaml

@@ -11,7 +11,7 @@ image:
   # This sets the pull policy for images.
   pullPolicy: Always
   # Overrides the image tag whose default is the chart appVersion.
-  tag: "0.2.4"
+  tag: "0.2.5"
 
 # This is for the secrets for pulling an image from a private repository more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
 imagePullSecrets:
@@ -178,6 +178,8 @@ env:
     value: "my-release-mongodb.mongodb.svc.cluster.local:27017"
   - name: MONGODB_DATABASE
     value: "sientia"
+  - name: MONGODB_TTL_INDEX_HOURS
+    value: "1"
 
 ssh:
   enabled: true