Rename variable

Co-authored-by: Niels Bauman <[email protected]>

Author: prdoyle

server/src/main/java/org/elasticsearch/reservedstate/service/FileSettingsServiceProvider.java

@@ -17,6 +17,6 @@ FileSettingsService construct(
         ClusterService clusterService,
         ReservedClusterStateService stateService,
         Environment environment,
-        FileSettingsService.FileSettingsHealthTracker healthIndicatorService
+        FileSettingsService.FileSettingsHealthTracker healthTracker
     );
 }