Switching to diffing with raw git command...

Signed-off-by: Luc Berger-Vergiat <[email protected]>

Author: lucbv

.github/workflows/docs.yml

@@ -23,7 +23,8 @@ jobs:
       - name: check API changes
         run: |
           pwd
-          python kokkos-kernels/scripts/check_api_updates.py
+          git fetch &> /dev/null
+          git diff  --name-only origin/$GITHUB_BASE_REF
 
   build:
     runs-on: [macos-latest]