fix: update lightmare (#259)

fix: update ligthmare

Author: gurinderu

flux/core/lightmare/app/release.yml

@@ -23,4 +23,4 @@ spec:
     operator:
       image:
         repository: "fluencelabs/lightmare"
-        tag: "0.7.2@sha256:8a93b797d28d32c41f7fbd3b9baa513280b3cd77b9b93cfe0db1d2d4a00e932f"
+        tag: "0.7.3@sha256:9d6384a536a9783bf81057780853f39befc6f7e354268ab631a677fa71f0264f"