Update TagBot.yml

Author: navidcy

.github/workflows/TagBot.yml

@@ -11,5 +11,5 @@ jobs:
     steps:
       - uses: JuliaRegistries/TagBot@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.TAGBOT_TOKEN || secrets.GITHUB_TOKEN }}
           lookback: 3