update zemu deps

Author: carlosala

tests_zemu/package.json

@@ -18,7 +18,7 @@
     "testSR25519": "jest tests/sr25519.test.ts"
   },
   "dependencies": {
-    "@zondax/ledger-substrate": "^0.26.0",
+    "@zondax/ledger-substrate": "^0.27.0",
     "@zondax/zemu": "^0.29.0"
   },
   "devDependencies": {