chore(deps): update dependency big.js to v7

Author: renovate[bot]

packages/math/package.json

@@ -24,7 +24,7 @@
     "test": "vitest run"
   },
   "dependencies": {
-    "big.js": "^6.2.2",
+    "big.js": "^7.0.1",
     "decimal.js-light": "^2.5.1",
     "jsbi": "^4.3.0",
     "tiny-invariant": "^1.3.3",