[Nova] Add build-type argument for when upload should be triggered (#2706)

Summary: Pull Request resolved: https://github.com/pytorch/audio/pull/2706

Reviewed By: kit1980

Differential Revision: D39786253

Pulled By: osalpekar

fbshipit-source-id: 2a0c427f57e5c70ff1cf419b7e0c2316e5f0e16c

.github/workflows/build_wheels_linux.yml

 name: Trigger Linux Wheels Build for Nightlies/Release
 
 on:
-  pull_request:
-    paths: .github/workflows/build_wheels_linux.yml
   push:
     branches:
       - nightly
@@ -37,3 +35,4 @@ jobs:
       pre-script: ${{ matrix.pre-script }}
       post-script: ${{ matrix.post-script }}
       package-name: ${{ matrix.package-name }}
+      build-type: nightly