[CI] Fix documentation runner by adding 'nvidia' tag

Author: xwhzz

.github/workflows/publish_docs.yml

@@ -12,7 +12,7 @@ permissions:
 jobs:
   docs:
     if: ${{ github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'main' }} || ${{ github.event_name == 'workflow_dispatch' }}
-    runs-on: [self-hosted]
+    runs-on: [self-hosted, nvidia]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5