chore: fix dependency vulnerabilities

Author: shumkov

package-lock.json

@@ -109,7 +109,7 @@
     "bls-signatures": "^0.2.1",
     "bn.js": "=4.11.8",
     "bs58": "=4.0.1",
-    "elliptic": "=6.4.1",
+    "elliptic": "^6.5.3",
     "inherits": "=2.0.1",
     "lodash": "^4.17.19",
     "unorm": "^1.6.0"