build(deps): bump lycheeverse/lychee-action from 2.7.0 to 2.8.0

Bumps [lycheeverse/lychee-action](https://github.com/lycheeverse/lychee-action) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/lycheeverse/lychee-action/releases)
- [Commits](lycheeverse/lychee-action@a8c4c7c...8646ba3)

---
updated-dependencies:
- dependency-name: lycheeverse/lychee-action
  dependency-version: 2.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/lint-docs.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Run link checker
         # For any troubleshooting, see:
         # https://github.com/lycheeverse/lychee/blob/master/docs/TROUBLESHOOTING.md
-        uses: lycheeverse/lychee-action@a8c4c7cb88f0c7386610c35eb25108e448569cb0
+        uses: lycheeverse/lychee-action@8646ba30535128ac92d33dfc9133794bfdd9b411
         with:
           # user-agent: if a user agent is not specified, some websites (e.g.
           # GitHub Docs) return HTTP errors which Lychee will interpret as