Update lycheeverse/lychee-action digest to 8646ba3

Author: xdev-renovate

.github/workflows/broken-links.yml

@@ -19,7 +19,7 @@ jobs:
 
       - name: Link Checker
         id: lychee
-        uses: lycheeverse/lychee-action@a8c4c7cb88f0c7386610c35eb25108e448569cb0 # v2
+        uses: lycheeverse/lychee-action@8646ba30535128ac92d33dfc9133794bfdd9b411 # v2
         with:
           fail: false # Don't fail on broken links, create an issue instead