Set GH_TOKEN for cluster-autoscaler bump script

Added GH_TOKEN environment variable for cluster-autoscaler script.

Author: mnaser

.github/workflows/bump.yml

@@ -33,6 +33,8 @@ jobs:
         with:
           token: ${{ secrets.VEXXHOST_BOT_PAT }}
       - run: ./hack/bump/cluster-autoscaler.sh
+        env:
+          GH_TOKEN: ${{ github.token }}
       - uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
         with:
           token: ${{ secrets.VEXXHOST_BOT_PAT }}