Link Checker Improvements

[DerekMelchin]

Expected Behavior

The links in the Strategy Library and Learning Articles tutorials are scanned by our GitHub Actions to ensure they aren't broken.

Actual Behavior

The link checker doesn't current check these pages, so they contain some broken links.

Checklist

• [x] I have completely filled out this template
• [x] I have confirmed that this issue exists on the current master branch
• [x] I have confirmed that this is not a duplicate issue by searching issues