chore(deps): update actions/cache digest to ab5e6d0

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

Author: renovate[bot]

.github/workflows/lychee.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - name: "📤 Restore cache"
-        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # v4
+        uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4
         with:
           path: .lycheecache
           key: cache-lychee-${{ github.sha }}