chore(deps): update actions/cache digest to 8b402f5 (#267)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/links.yml

@@ -22,7 +22,7 @@ jobs:
               run: echo "TIMESTAMP=$(date +%s)" >> "$GITHUB_ENV"
 
             - name: Restore lychee cache
-              uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5
+              uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5
               with:
                   path: .lycheecache
                   key: cache-lychee-${{ env.TIMESTAMP }}