test publish-rust.yaml invocation

Author: AyodeAwe

.github/workflows/pr.yaml

@@ -154,6 +154,9 @@ jobs:
       arch: "amd64"
       container_image: "rapidsai/ci-conda:latest"
       run_script: "ci/build_rust.sh"
+  rust-publish:
+    secrets: inherit
+    uses: ./.github/workflows/publish-rust.yaml
   go-build:
     needs: conda-cpp-build
     secrets: inherit