fix: web/fluidity.money/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-WS-7266574

web/fluidity.money/package.json

@@ -11,7 +11,7 @@
     "@types/gtag.js": "^0.0.12",
     "@visx/visx": "^2.16.0",
     "big.js": "^6.2.1",
-    "ethers": "^5.7.2",
+    "ethers": "^6.0.0",
     "framer-motion": "^7.3.6",
     "next": "^12.3.0",
     "react": "^18.2.0",
@@ -24,7 +24,7 @@
     "sharp": "^0.31.1",
     "typescript": "^4.9.4",
     "web-vitals": "^2.1.4",
-    "web3": "^1.8.1"
+    "web3": "^4.0.1"
   },
   "devDependencies": {
     "@testing-library/jest-dom": "^5.16.5",