Bump @next/eslint-plugin-next from 12.1.5 to 15.4.6

Bumps [@next/eslint-plugin-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-plugin-next) from 12.1.5 to 15.4.6.
- [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/v15.4.6/packages/eslint-plugin-next)

---
updated-dependencies:
- dependency-name: "@next/eslint-plugin-next"
  dependency-version: 15.4.6
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -31,7 +31,7 @@
     "@changesets/changelog-github": "^0.5.1",
     "@changesets/cli": "^2.29.4",
     "@changesets/get-release-plan": "^3.0.14",
-    "@next/eslint-plugin-next": "^12.1.4",
+    "@next/eslint-plugin-next": "^15.4.6",
     "@rollup/plugin-babel": "^6.0.3",
     "@rollup/plugin-commonjs": "^24.0.1",
     "@rollup/plugin-image": "^3.0.2",