build(deps): bump lycheeverse/lychee-action from 2.5.0 to 2.6.1

Bumps [lycheeverse/lychee-action](https://github.com/lycheeverse/lychee-action) from 2.5.0 to 2.6.1.
- [Release notes](https://github.com/lycheeverse/lychee-action/releases)
- [Commits](lycheeverse/lychee-action@v2.5.0...v2.6.1)

---
updated-dependencies:
- dependency-name: lycheeverse/lychee-action
  dependency-version: 2.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/book-lint.yml

@@ -24,7 +24,7 @@ jobs:
         working-directory: book
 
       - name: Link Checker
-        uses: lycheeverse/lychee-action@v2.5.0
+        uses: lycheeverse/lychee-action@v2.6.1
         with:
           args: book/public
           fail: true