Upgrade explorer dependencies

By running 'make upgrade' command

Author: jpraynaud

mithril-explorer/package.json

@@ -18,22 +18,22 @@
     "bootstrap": "^5.3.2",
     "bootstrap-icons": "^1.11.1",
     "chart.js": "^4.4.0",
-    "next": "^13.5.6",
+    "next": "^14.0.2",
     "react": "^18.2.0",
-    "react-bootstrap": "^2.9.0",
+    "react-bootstrap": "^2.9.1",
     "react-chartjs-2": "^5.2.0",
     "react-dom": "^18.2.0",
     "react-redux": "^8.1.3"
   },
   "devDependencies": {
     "@testing-library/jest-dom": "^6.1.4",
-    "@testing-library/react": "^14.0.0",
-    "eslint": "^8.51.0",
-    "eslint-config-next": "^13.5.6",
+    "@testing-library/react": "^14.1.0",
+    "eslint": "^8.53.0",
+    "eslint-config-next": "^14.0.2",
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
     "next-router-mock": "^0.9.10",
-    "prettier": "^3.0.3",
-    "prettier-eslint": "^16.1.1"
+    "prettier": "^3.1.0",
+    "prettier-eslint": "^16.1.2"
   }
 }