Update link-checker.yml

Author: rvhonorato

.github/workflows/link-checker.yml

@@ -13,10 +13,16 @@ jobs:
     permissions:
       issues: write
     steps:
+      - uses: actions/cache@v4
+        with:
+          path: .lycheecache
+          key: cache-lychee-${{ github.sha }}
+          restore-keys: cache-lychee-
+          
       - uses: actions/checkout@v4
 
       - name: Link Checker
         id: lychee
         uses: lycheeverse/lychee-action@v2
         with:
-          args: -q './**/*.md' --accept 403,502
+          args: -q './**/*.md' --accept 403,502 --cache