debug changes

Author: ebsmothers

.github/workflows/build_vllm.yaml

@@ -1,6 +1,7 @@
 name: Build pinned vLLM against PyTorch nightly and upload
 
 on:
+  pull_request:
   push:
     branches:
       - nightly

.github/workflows/build_wheels.yaml

@@ -1,6 +1,7 @@
 name: Build nightly wheels and publish to PyTorch Index
 
 on:
+  pull_request:
   push:
     branches:
       - nightly