Update workflows.md - Update broken link

Author: mrvinaykj

modules/integration-points/workflows.md

@@ -21,7 +21,7 @@ if($comment) {
 Close-Window
 ```
 
-See how Adam integrated [workflow actions](https:/blog.najmanowicz.com/2014/11/09/introducing-powershell-actions-for-sitecore-workflows/) if you are really curious to know more.
+See how Adam integrated [workflow actions](https://blog.najmanowicz.com/2014/11/09/introducing-powershell-actions-for-sitecore-workflows/) if you are really curious to know more.
 
 ## References