Update coe-prometheus.yaml

Volume mount for core files

Author: nagaraj-citrix

deployment/coe-prometheus.yaml

@@ -62,10 +62,14 @@ spec:
             - name: lstreamd-config-prometheus
               mountPath: /var/logproxy/lstreamd/conf/lstreamd_default.conf
               subPath: lstreamd_default.conf
+            - name: core-data
+              mountPath: /cores/
       volumes:
         - name: lstreamd-config-prometheus
           configMap:
             name: coe-config-prometheus
+        - name: core-data
+          emptyDir: {}
 ---
 # Citrix-observability-exporter headless service  
 apiVersion: v1