CI: Ignore links to blog.jupyter.org in the link check job (#1003)

* CI: Ignore links to `blog.jupyter.org` in the link check job

* Apply suggestions from code review

Co-authored-by: Matt Fisher <[email protected]>

---------

Co-authored-by: Matt Fisher <[email protected]>

Author: arjxn-py

.github/workflows/build.yml

@@ -239,7 +239,11 @@ jobs:
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1
         with:
-          ignore_links: 'lite/ https://www.npmjs.com.* ^/.*'
+          ignore_links: >-
+            lite/
+            https://www\.npmjs\.com.*
+            ^/.*
+            https://blog\.jupyter\.org/.*
 
   build-lite:
     name: Build JupyterLite artifacts