chore(deps): update dependency @iden3/js-merkletree to v1.5.1 (#189)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

zkp/js/package.json

@@ -17,7 +17,7 @@
     "poseidon-lite": "0.3.0"
   },
   "devDependencies": {
-    "@iden3/js-merkletree": "1.5.0",
+    "@iden3/js-merkletree": "1.5.1",
     "chai": "5.3.3",
     "circom_tester": "0.0.24",
     "circomlibjs": "0.1.7",