[CI] Try to fix

.gitea/workflows/build-docs.yml

@@ -11,11 +11,7 @@ jobs:
       - name: Set up Git repository
         uses: actions/checkout@v6
       - name: Sign into gitea registry
-        uses: https://github.com/docker/login-action@v3
-        with:
-          username: ${{ vars.REGISTRY_USER_USERNAME }}
-          password: ${{ secrets.REGISTRY_USER_PASSWORD }}
-          registry: ${{ vars.REGISTRY_BASE_URL }}
+        run: docker login ${{ vars.REGISTRY_URL }} -u ${{ vars.REGISTRY_USER_USERNAME }} -p "${{ secrets.REGISTRY_USER_PASSWORD_ESCAPED }}"
       - name: Run build
         uses: actions/latex@main
         with: