Added --max-concurrency 5 to lychee

Author: adamlui

.github/workflows/link-checker.yml

@@ -22,6 +22,6 @@ jobs:
         uses: lycheeverse/lychee-action@v2.8.0
         with:
           # Check all markdown files, but ignore local fragments and common anti-bot/rate-limited endpoints
-          args: --verbose --no-progress --max-retries 3 --accept 200..299,300..399,403,429 --exclude "ghostbrowser\.com" "*.md" "**/*.md" "api\.star-history\.com"
+          args: --verbose --no-progress --max-retries 3 --max-concurrency 5 --accept 200..299,300..399,403,429 --exclude "ghostbrowser\.com" "*.md" "**/*.md" "api\.star-history\.com"
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}