use feature branch for Exchange app

Author: yogh333

.github/workflows/swap_ci_workflow.yml

@@ -13,5 +13,6 @@ jobs:
     job_functional_tests:
       uses: LedgerHQ/app-exchange/.github/workflows/reusable_swap_functional_tests.yml@y333/swap_support_bol
       with:
+        branch_for_exchange: 'y333/swap_support_bol'
         branch_for_bol: ${{ github.ref }}
-        test_filter: '"BOILERPLATE or boilerplate or Boilerplate"'
+        test_filter: '"boilerplate"'