[CI] Debug docs

.gitea/workflows/compile-docs.yml

@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: Set up Git repository
         uses: actions/checkout@v6
+      - name: Set required environment variables
+        run: export GITHUB_ACTION_PATH=$(pwd)
       - name: Print env var
         run: echo $GITHUB_ACTION_PATH
       - name: Compile docs document