removed working directory from setup node action

Author: danuw

.github/workflows/6-jekyll-gh-pages.yml

@@ -28,7 +28,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v3
-        working-directory: ./casdk-docs
         with:
           node-version: 18
           cache: yarn