fix(lightmare): update lightmare chart to 0.4.3 (#255)

Author: gurinderu

flux/core/lightmare/app/repository.yml

@@ -7,4 +7,4 @@ spec:
   interval: 5m0s
   url: oci://registry-1.docker.io/fluencelabs/lightmare-chart
   ref:
-    tag: 0.4.2
+    tag: 0.4.3