chore(ci): using test build for webrender

Author: declantsien

.github/workflows/emacsng-webrender.yml

@@ -25,6 +25,8 @@ jobs:
       git_ref: master
       git_sha: ${{ github.event.inputs.git_sha }}
       build_args: --native-comp --webrender --no-ns
+      test_release_type: prerelease
+      test_build_name: Webrender
     secrets:
       APPLE_DEVELOPER_CERTIFICATE_P12_BASE64: ${{ secrets.APPLE_DEVELOPER_CERTIFICATE_P12_BASE64 }}
       APPLE_DEVELOPER_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_DEVELOPER_CERTIFICATE_PASSWORD }}