deps: bump the next group across 1 directory with 2 updates

Bumps the next group with 2 updates in the / directory: [next](https://github.com/vercel/next.js) and [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next).


Updates `next` from 14.2.15 to 14.2.23
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.15...v14.2.23)

Updates `eslint-config-next` from 14.2.15 to 14.2.23
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v14.2.23/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next
- dependency-name: eslint-config-next
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: next
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -34,7 +34,7 @@
     "d3-fetch": "^3.0.1",
     "framer-motion": "^11.11.11",
     "lodash": "^4.17.21",
-    "next": "14.2.15",
+    "next": "14.2.23",
     "plotly.js-dist-min": "^2.35.2",
     "react": "^18",
     "react-dom": "^18",
@@ -52,7 +52,7 @@
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "eslint": "^8.57.1",
-    "eslint-config-next": "14.2.15",
+    "eslint-config-next": "14.2.23",
     "eslint-config-prettier": "^9.1.0",
     "eslint-config-standard": "^17.1.0",
     "eslint-config-standard-jsx": "^11.0.0",