chore: bump default version of redis and redis exporter

Author: mojixcoder

values.yaml

@@ -9,7 +9,7 @@ serviceAccount:
   name: ""
 
 redis:
-  image: redis:7.2.4
+  image: redis:8
   port: 6379
   bus: 16379
   securityContext:
@@ -25,7 +25,7 @@ securityContext:
 
 metrics:
   enabled: true
-  image: oliver006/redis_exporter:v1.56.0
+  image: oliver006/redis_exporter:v1.73.0
   serviceMonitor:
     enabled: true
     interval: "30s"