[chore] use lychee for link checking (#828)

This is the same tool as is used in the collector and collector-contrib repositories.

Signed-off-by: Alex Boten <[email protected]>

.github/lychee.toml

@@ -0,0 +1,11 @@
+include-fragments = true
+
+accept = ["200..=299", "429"]
+
+exclude  = [
+    "^http(s)?://localhost",
+    "^http(s)?://example.com"
+]
+
+# better to be safe and avoid failures
+max-retries = 6

.github/workflows/changelog.yml

@@ -15,8 +15,6 @@ env:
   # Make sure to exit early if cache segment download times out after 2 minutes.
   # We limit cache download as a whole to 5 minutes.
   SEGMENT_DOWNLOAD_TIMEOUT_MINS: 2
-  # renovate: datasource=github-releases depName=tcort/markdown-link-check
-  MD_LINK_CHECK_VERSION: "3.12.2"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref }}
@@ -84,14 +82,10 @@ jobs:
       - name: Render .chloggen changelog entries
         if: ${{ !contains(github.event.pull_request.labels.*.name, 'dependencies') && !contains(github.event.pull_request.labels.*.name, 'Skip Changelog') && !contains(github.event.pull_request.title, '[chore]')}}
         run: make chlog-preview > changelog_preview.md
-      - name: Install markdown-link-check
+      - name: Link Checker
         if: ${{ !contains(github.event.pull_request.labels.*.name, 'dependencies') && !contains(github.event.pull_request.labels.*.name, 'Skip Changelog') && !contains(github.event.pull_request.title, '[chore]')}}
-        run: npm install -g markdown-link-check@${{ env.MD_LINK_CHECK_VERSION }}
-      - name: Run markdown-link-check
-        if: ${{ !contains(github.event.pull_request.labels.*.name, 'dependencies') && !contains(github.event.pull_request.labels.*.name, 'Skip Changelog') && !contains(github.event.pull_request.title, '[chore]')}}
-        run: |
-          markdown-link-check \
-            --verbose \
-            --config .github/workflows/check_links_config.json \
-            changelog_preview.md \
-            || { echo "Check that anchor links are lowercase"; exit 1; }
+        id: lychee
+        uses: lycheeverse/lychee-action@f613c4a64e50d792e0b31ec34bbcbba12263c6a6
+        with:
+          args: "--verbose --no-progress ./changelog_preview.md --config .github/lychee.toml"
+          failIfEmpty: false