ci: [SDK-4487] use GH_PUSH_TOKEN for project workflow (#866)

Author: fadi-george

.github/workflows/project.yml

@@ -13,4 +13,4 @@ jobs:
         with:
           # SDK Cross-Platform Project
           project-url: https://github.com/orgs/OneSignal/projects/10
-          github-token: ${{ secrets.GH_PROJECTS_TOKEN }}
+          github-token: ${{ secrets.GH_PUSH_TOKEN }}