Simplify lychee install in links.yml (#13638)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

.github/workflows/links.yml

@@ -21,10 +21,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Download and install lychee
-        run: |
-          LYCHEE_URL=$(curl -s https://api.github.com/repos/lycheeverse/lychee/releases/latest | grep "browser_download_url" | grep "x86_64-unknown-linux-gnu.tar.gz" | cut -d '"' -f 4)
-          curl -L $LYCHEE_URL | tar xz -C /usr/local/bin
+      - name: Install lychee
+        run: curl -sSfL "https://github.com/lycheeverse/lychee/releases/latest/download/lychee-x86_64-unknown-linux-gnu.tar.gz" | sudo tar xz -C /usr/local/bin
 
       - name: Test Markdown and HTML links with retry
         uses: ultralytics/actions/retry@main