Bump flexsearch from 0.7.43 to 0.8.158

Bumps [flexsearch](https://github.com/nextapps-de/flexsearch) from 0.7.43 to 0.8.158.
- [Release notes](https://github.com/nextapps-de/flexsearch/releases)
- [Changelog](https://github.com/nextapps-de/flexsearch/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nextapps-de/flexsearch/commits)

---
updated-dependencies:
- dependency-name: flexsearch
  dependency-version: 0.8.158
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

apps/docs/package.json

@@ -23,7 +23,7 @@
     "@types/react-highlight-words": "^0.16.7",
     "clsx": "^2.1.1",
     "fast-glob": "^3.3.3",
-    "flexsearch": "^0.7.43",
+    "flexsearch": "^0.8.158",
     "js-yaml": "^4.1.0",
     "next": "^14.2.26",
     "next-themes": "^0.2.1",