Bump lycheeverse/lychee-action from 1 to 2

Bumps [lycheeverse/lychee-action](https://github.com/lycheeverse/lychee-action) from 1 to 2.
- [Release notes](https://github.com/lycheeverse/lychee-action/releases)
- [Commits](lycheeverse/lychee-action@v1...v2)

---
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>

.github/workflows/ci-lychee.yml

@@ -20,7 +20,7 @@ jobs:
           key: cache-lychee-${{ github.sha }}
           restore-keys: cache-lychee-
 
-      - uses: lycheeverse/lychee-action@v1
+      - uses: lycheeverse/lychee-action@v2
         with:
           args: "--verbose --no-progress --cache --max-cache-age 1d docs/"
           fail: true