fix: use oauth2 as git username for modelscope auth

Author: EconChart Dev

.github/workflows/sync-modelscope.yml

@@ -16,5 +16,5 @@ jobs:
         env:
           MS_TOKEN: ${{ secrets.MODELSCOPE_TOKEN }}
         run: |
-          git remote add modelscope https://JackyCufe:${MS_TOKEN}@www.modelscope.cn/studios/JackyCufe/EconChart.git
+          git remote add modelscope https://oauth2:${MS_TOKEN}@www.modelscope.cn/studios/JackyCufe/EconChart.git
           git push modelscope main:master --force