Bump score_communication to v0.3.0

Author: LittleHuba

known_good.json

@@ -26,7 +26,7 @@
             },
             "score_communication": {
                 "repo": "https://github.com/eclipse-score/communication.git",
-                "hash": "0e0640998096049a8dd65a4173b03a988d5a85a7",
+                "version": "v0.3.0",
                 "bazel_patches": [
                     "//patches/communication:001-expose-comm-examples.patch",
                     "//patches/communication:003-module-deps-visibility.patch"
@@ -163,4 +163,4 @@
         }
     },
     "timestamp": "2026-07-03T00:00:00+00:00Z"
-}
+}