Only run auto-backups on Leader

cmd/rqlited/main.go

@@ -256,7 +256,7 @@ func startAutoBackups(ctx context.Context, cfg *Config, str *store.Store) (*back
 	sc := aws.NewS3Client(s3cfg.Endpoint, s3cfg.Region, s3cfg.AccessKeyID, s3cfg.SecretAccessKey,
 		s3cfg.Bucket, s3cfg.Path, s3cfg.ForcePathStyle)
 	u := backup.NewUploader(sc, provider, time.Duration(uCfg.Interval), !uCfg.NoCompress)
-	u.Start(ctx, nil)
+	u.Start(ctx, str.IsLeader)
 	return u, nil
 }