fix: remove branch whitelist from pkg-pr-new

Author: NathanFlurry

.github/workflows/pkg-pr-new.yaml

@@ -11,7 +11,6 @@ on:
   push:
     branches:
       - main
-      - nathan/v8-process-isolation-pt1
     paths:
       - ".github/workflows/pkg-pr-new.yaml"
       - "package.json"