fix: upgrade @neutron-org/neutronjsplus from 0.0.15 to 0.3.0

Snyk has created this PR to upgrade @neutron-org/neutronjsplus from 0.0.15 to 0.3.0.

See this package in npm:


See this project in Snyk:
https://app.snyk.io/org/neutron-A49X5tRU3kb2nVTZv6t7SQ/project/adcb95a7-3dcf-4f1b-902c-ddf4136f0a01?utm_source=github&utm_medium=referral&page=upgrade-pr

integration-tests/package.json

@@ -15,7 +15,7 @@
     "@neutron-org/client-ts": "^1.4.0",
     "@neutron-org/contracts2ts": "^1.3.1",
     "@neutron-org/cosmopark": "^1.2.9",
-    "@neutron-org/neutronjsplus": "0.0.15",
+    "@neutron-org/neutronjsplus": "0.3.0",
     "crypto-js": "^4.1.1"
   },
   "devDependencies": {