chore: subtree split token (#6124)

Author: soyuka

.github/workflows/subtree.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.GH_TOKEN }}
       - name: 'Install splitsh'
         run: | 
           curl -L https://github.com/splitsh/lite/releases/download/v1.0.1/lite_linux_amd64.tar.gz > lite_linux_amd64.tar.gz