Properly call the new common workflow

Author: wawanbreton

.github/workflows/unit-test-post.yml

@@ -9,6 +9,5 @@ jobs:
   publish-test-results:
     uses: ultimaker/cura-workflows/.github/workflows/unit-test-post.yml@main
     with:
-      event: ${{ github.event.workflow_run.event }}
-      conclusion: ${{ github.event.workflow_run.conclusion }}
+      workflow_run_json: ${{ toJSON(github.event.workflow_run) }}
     secrets: inherit