fix(deps): update dependency big.js to v7 (#2286)

Co-authored-by: alkatrivedi <58396306+alkatrivedi@users.noreply.github.com>

Author: renovate-bot

package.json

@@ -66,7 +66,7 @@
     "@types/big.js": "^6.2.2",
     "@types/stack-trace": "^0.0.33",
     "arrify": "2.0.0",
-    "big.js": "^6.2.2",
+    "big.js": "^7.0.0",
     "checkpoint-stream": "^0.1.2",
     "duplexify": "^4.1.3",
     "events-intercept": "^2.0.0",