[easy] Cleanup cache action (#2026)

## Summary

TSIA

## How was it tested?

Author: mikeland73

.github/workflows/cache-upload.yml

@@ -2,13 +2,9 @@ name: cache-upload
 # Uploads devbox nix dependencies to cache
 
 on:
-  pull_request:
   push:
     branches:
       - main
-  merge_group:
-    branches:
-      - main
   workflow_dispatch:
   schedule:
     - cron: '30 8 * * *' # Run nightly at 8:30 UTC
@@ -23,6 +19,7 @@ defaults:
 
 env:
   DEVBOX_API_TOKEN: ${{ secrets.DEVBOX_API_TOKEN }}
+  DEVBOX_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   DEVBOX_DEBUG: 1
 
 jobs: