[DOCS] restore Lychee link checking (#10797)

.github/workflows/ci.yml

@@ -306,7 +306,7 @@ jobs:
           # We decided to exclude all external HTTP requests but the ones that under the domain greatexpectations.io
           # The reason is to avoid having network errors such as pages that throw 429 after too many requests (like Github)
           # and to prevent other possible errors related to user agent or lychee capturing hrefs from metadata that don't resolve to a specific page (preconnects in JS)
-          args: "--exclude='http.*' 'docs/docusaurus/build/**/*.html'"
+          args: "--exclude='http.*' --include='^https://(.+\\.)?greatexpectations\\.io/' 'docs/docusaurus/build/**/*.html'"
 
   docs-tests:
     runs-on: ubuntu-latest