Added caching, renamed workflow/step

Author: adamlui

.github/workflows/validate-links-on-push-pr.yml

@@ -1,4 +1,4 @@
-name: Check links on push + PR
+name: Validate links on push + PR
 
 on:
   push:
@@ -19,7 +19,15 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6.0.2
 
-      - name: Check links
+      - name: Restore lychee cache
+        id: restore-cache
+        uses: actions/cache/restore@v5.0.4
+        with:
+          path: .lycheecache
+          key: cache-lychee-${{ github.sha }}
+          restore-keys: cache-lychee-
+
+      - name: Validate links
         uses: lycheeverse/lychee-action@v2.8.0
         with:
           # Check all files, ignore ok/redir/blocked/rate-limited
@@ -30,3 +38,10 @@ jobs:
             --cache --max-cache-age 3d
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+
+      - name: Save lychee cache
+        uses: actions/cache/save@v5.0.4
+        if: always()
+        with:
+          path: .lycheecache
+          key: ${{ steps.restore-cache.outputs.cache-primary-key }}