SIENTIAPDE-1174

feat: update dependencies and enhance metrics integration

- Updated sientia-dataops-library dependency version from 1.3.5 to 1.3.7 in requirements.txt.
- Incremented image tag in values.yaml from 0.2.7 to 0.3.1.
- Added Prometheus metrics service configuration in values.yaml, enabling metrics collection.
- Implemented Prometheus client in worker.py to start a metrics server and track application health.

requirements.txt

@@ -5,4 +5,5 @@ redis
 couchbase
 pymongo
 jinja2
-git+ssh://git@github.com/Aignosi/sientia-dataops-library.git@1.3.5
+git+ssh://git@github.com/Aignosi/sientia-dataops-library.git@1.3.7
+prometheus-client