Use GH_TOKEN secret for release workflow

Change from GITHUB_TOKEN to GH_TOKEN for pushing submodule tags.

Author: james00012

.github/workflows/release-modules.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.GH_TOKEN }}
 
       - name: Determine version
         id: version