ci: fixing experimental workflow

.github/workflows/filter.yml

@@ -31,9 +31,6 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          ref: ${{ github.event.pull_request.head.sha }}
-          repository: ${{ github.event.pull_request.head.repo.full_name }}
-          persist-credentials: false
       - name: Find Updated Packages and crates
         id: filter
         run: |
@@ -51,6 +48,7 @@ jobs:
 
           # Get the comparison point in the repo
           comparison_point="origin/${base_ref}"
+          echo "The comparison point is $comparison_point"
 
           for changed_file in $(git diff --name-only ${comparison_point}...)
           do