build(deps): bump lycheeverse/lychee-action from 2.8.0 to 2.9.0 (#23169)

---
updated-dependencies:
- dependency-name: lycheeverse/lychee-action
  dependency-version: 2.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/monthly-check.yml

@@ -23,7 +23,7 @@ jobs:
         sort -u usernames.txt -o usernames.txt
 
     - name: Lychee URL checker
-      uses: lycheeverse/lychee-action@8646ba30535128ac92d33dfc9133794bfdd9b411 # v2.8.0
+      uses: lycheeverse/lychee-action@e7477775783ea5526144ba13e8db5eec57747ce8 # v2.9.0
       id: lychee
       continue-on-error: true
       with: