update action versions in link checker workflow

.github/workflows/link-checker.yml

@@ -7,15 +7,15 @@ jobs:
   link-checker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
 
       - uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
 
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version-file: .nvmrc
 
@@ -55,9 +55,10 @@ jobs:
         run: npm run build
 
       - name: Link Checker
-        uses: lycheeverse/lychee-action@v1.4.1
+        uses: lycheeverse/lychee-action@v1
         with:
           args: --github-token ${{secrets.GITHUB_TOKEN}} --max-concurrency 64 --verbose --no-progress './*.md' './_site/**/*.html'
           fail: true
+          debug: true
         env:
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

lychee.toml

@@ -46,7 +46,7 @@ timeout = 20
 # Accept 429 responses. They come from GitHub when you are sending too
 # many requests and get throttled. They don't indicate a bad link.
 # See https://github.com/lycheeverse/lychee/issues/367.
-accept = "200,403,429,401"
+accept = ["200", "403", "429", "401"]
 
 # Proceed for server connections considered insecure (invalid TLS)
 insecure = false
@@ -88,5 +88,5 @@ exclude_link_local = true
 # Exclude loopback IP address range and localhost from checking
 exclude_loopback = true
 
-# Exclude all mail addresses from checking
-exclude_mail = true
+# Check mail addresses
+include_mail = false