fix: 修复git clone URL双https://前缀问题

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/release-docs.yml

@@ -14,7 +14,7 @@ jobs:
           GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
         run: |
           git clone -b ${GITHUB_REF#refs/tags/} \
-            "https://gitea-actions:${GITEA_TOKEN}@${{ github.server_url }}/${{ github.repository }}.git" .
+            "${{ github.server_url }}/${{ github.repository }}.git" .
 
       - name: Package docs
         run: |