Bump lycheeverse/lychee-action from 2.4.1 to 2.8.0

Bumps [lycheeverse/lychee-action](https://github.com/lycheeverse/lychee-action) from 2.4.1 to 2.8.0.
- [Release notes](https://github.com/lycheeverse/lychee-action/releases)
- [Commits](lycheeverse/lychee-action@82202e5...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/check_links.yml

@@ -39,7 +39,7 @@ jobs:
       # https://github.com/lycheeverse/lychee/issues/36
       - name: Check links
         # 2.6.1 seemed to cause the exclude-path to not take effect, waiting for next release.
-        uses: lycheeverse/lychee-action@82202e5e9c2f4ef1a55a3d02563e1cb6041e5332  # v2.4.1
+        uses: lycheeverse/lychee-action@8646ba30535128ac92d33dfc9133794bfdd9b411  # v2.8.0
         with:
           args: "--exclude-all-private --include-verbatim --max-concurrency 24 --require-https --verbose --no-progress --offline
           --accept '100..=103,200..=299,429,500..=511'