ci: fix markdownlint-check config (#1544)

Author: scbjans

.github/workflows/ci-markdownlint.yml

@@ -12,9 +12,9 @@ jobs:
       # equivalent cli: markdownlint-cli2  "**/*.md" "#**/CHANGELOG.md"  --config .markdownlint.json
       - name: "Markdown Lint Check"
         uses: DavidAnson/markdownlint-cli2-action@v19
+        continue-on-error: true
         with:
           fix: false
           globs: |
             **/*.md
             !**/CHANGELOG.md
-          continue-on-error: true