Update explorer dependencies

By running 'make upgrade' command.

Author: jpraynaud

mithril-explorer/package.json

@@ -15,7 +15,7 @@
     "@reduxjs/toolkit": "^1.9.5",
     "bootstrap": "^5.2.3",
     "bootstrap-icons": "^1.10.5",
-    "next": "^13.3.1",
+    "next": "^13.4.2",
     "next-redux-wrapper": "^8.1.0",
     "react": "^18.2.0",
     "react-bootstrap": "^2.7.4",
@@ -25,9 +25,9 @@
   "devDependencies": {
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^14.0.0",
-    "eslint": "^8.39.0",
-    "eslint-config-next": "^13.3.1",
+    "eslint": "^8.40.0",
+    "eslint-config-next": "^13.4.2",
     "jest": "^29.5.0",
     "jest-environment-jsdom": "^29.5.0"
   }
-}
+}