Bump lycheeverse/lychee-action from 1.5.1 to 2.1.0 (#4341)

Bumps [lycheeverse/lychee-action](https://github.com/lycheeverse/lychee-action) from 1.5.1 to 2.1.0.
- [Release notes](https://github.com/lycheeverse/lychee-action/releases)
- [Commits](lycheeverse/lychee-action@v1.5.1...v2.1.0)

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

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

.github/workflows/lychee.yml

@@ -14,7 +14,7 @@ jobs:
 
       - name: Link Checker
         id: lychee
-        uses: lycheeverse/lychee-action@v1.5.1
+        uses: lycheeverse/lychee-action@v2.1.0
         continue-on-error: true
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}