Fix: Failing NF images GH workflow (#176)

* Changing the branch name to `checkout` in the GH workflow and change the trigger to work if the branch is non master

.github/workflows/get_layer_info_for_nf_imgs.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          ref: ${{ github.head_ref }}
+          ref: store/branch_to_track_nf_img_layers
 
       - name: Pull HTTP Response
         run: |