fix

Author: Mathieu Lobet

.github/workflows/exercises.yml

@@ -30,7 +30,7 @@ jobs:
 
   build_kokkos:
     runs-on: ubuntu-latest
-    needs: [build_kokkos, changes]
+    needs: [changes]
     if: ${{ needs.changes.outputs.exercises == 'true' }}
     steps:
       - name: Set up Git repository