Bump lycheeverse/lychee-action from 2.5.0 to 2.6.0

Bumps [lycheeverse/lychee-action](https://github.com/lycheeverse/lychee-action) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/lycheeverse/lychee-action/releases)
- [Commits](lycheeverse/lychee-action@v2.5.0...v2.6.0)

---
updated-dependencies:
- dependency-name: lycheeverse/lychee-action
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/check-links.yml

@@ -34,7 +34,7 @@ jobs:
 
       - name: Check links
         id: lychee
-        uses: lycheeverse/lychee-action@v2.5.0
+        uses: lycheeverse/lychee-action@v2.6.0
         with:
           fail: true
           args: --max-concurrency 1 --cache --no-progress --exclude-all-private './**/*.md'