Bump the github-actions group with 1 update

Bumps the github-actions group with 1 update: [lycheeverse/lychee-action](https://github.com/lycheeverse/lychee-action).


Updates `lycheeverse/lychee-action` from 1.8.0 to 1.9.1
- [Release notes](https://github.com/lycheeverse/lychee-action/releases)
- [Commits](lycheeverse/lychee-action@v1.8.0...v1.9.1)

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

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

.github/workflows/webbadresser.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: lycheeverse/lychee-action@v1.8.0
+      - uses: lycheeverse/lychee-action@v1.9.1
         with:
           fail: true
           args: "--max-concurrency 3 --retry-wait-time 35 --no-progress --exclude-mail './**/*.md' './**/*.tex' './**/*.bib'"