Bump actions/cache from 4 to 5 (#58940)

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

Author: dependabot[bot]

.github/workflows/link-check-daily.yml

@@ -49,7 +49,7 @@ jobs:
         run: src/early-access/scripts/merge-early-access.sh
 
       - name: Restore disk-cache file for external link checking
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: external-link-checker-db.json
           key: external-link-checker-${{ hashFiles('src/links/scripts/rendered-content-link-checker.ts') }}