chore: update broker url

Author: YOU54F

.github/workflows/build.yml

@@ -5,7 +5,7 @@ on:
   workflow_dispatch:
 
 env:
-  PACT_BROKER_BASE_URL: https://saf.pactflow.io
+  PACT_BROKER_BASE_URL: https://test.pactflow.io
   PACT_BROKER_TOKEN: ${{ secrets.PACTFLOW_TOKEN_FOR_CI_CD_WORKSHOP }}
   GIT_COMMIT: ${{ github.sha }}
   GIT_REF: ${{ github.ref }}