Remove GITHUB_TOKEN from digger_workflow

Removed GITHUB_TOKEN from environment variables.

Author: jocelo

.github/workflows/digger_workflow.yml

@@ -42,4 +42,3 @@ jobs:
           disable-locking: false
         env:
           GITHUB_CONTEXT: ${{ toJson(github) }}
-          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}