Bump antora-site-generator-lunr from 0.5.0 to 0.6.1 in /docs-playbook (#5152)

Bumps [antora-site-generator-lunr](https://github.com/Mogztter/antora-site-generator-lunr) from 0.5.0 to 0.6.1.
- [Release notes](https://github.com/Mogztter/antora-site-generator-lunr/releases)
- [Changelog](https://github.com/ggrossetie/antora-site-generator-lunr/blob/main/RELEASE.md)
- [Commits](ggrossetie/antora-site-generator-lunr@v0.5.0...v0.6.1)

---
updated-dependencies:
- dependency-name: antora-site-generator-lunr
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Eric Wittmann <eric.wittmann@gmail.com>

Author: dependabot[bot]

docs-playbook/package-lock.json

@@ -19,7 +19,7 @@
   "dependencies": {
     "@antora/cli": "3.1.9",
     "@antora/site-generator-default": "2.3.4",
-    "antora-site-generator-lunr": "0.5.0",
+    "antora-site-generator-lunr": "0.6.1",
     "antora-lunr": "0.8.0"
   }
 }