Fix intro text formatting in approval documentation (#44418)

Co-authored-by: Sharra-writes <sharra-writes@github.com>

Author: akshatsinghai6682-sketch

content/actions/how-tos/manage-workflow-runs/approve-runs-from-forks.md

@@ -1,6 +1,6 @@
 ---
 title: Approving workflow runs from forks
-intro: You can manually approve workflow runs that have been triggered by a contributor's pull request.
+intro: You can manually approve workflow runs triggered by a contributor's pull request.
 versions:
   fpt: '*'
   ghec: '*'