Rename unused parameters to _ to satisfy linter

internal/handlers/handlers.go

@@ -33,7 +33,7 @@ func New(lc fx.Lifecycle, params Params) (*Handlers, error) {
 	}
 
 	lc.Append(fx.Hook{
-		OnStart: func(ctx context.Context) error {
+		OnStart: func(_ context.Context) error {
 			return nil
 		},
 	})