Fixing diff action (#56)

* use the latest diff tool version

* trying again

* trying action at root

* added comment

---------

Co-authored-by: Alex Guretzki <alexander.guretzki@adyen.com>

Author: goergisn

.github/workflows/detect-api-changes.yml

@@ -56,7 +56,7 @@ jobs:
         noTargetBranch: 'no target branch'
 
     - name: 🔍 Detect Changes
-      uses: ./
+      uses: ./ # Uses the action.yml that's at the root of the repository
       id: public_api_diff
       with:
         platform: "macOS"