Conform to new GHA env format (#804)

.github/workflows/pr-publish-docsite.yml

@@ -83,7 +83,7 @@ jobs:
           BUCKET_NAME=bw-api-docs-${GITHUB_HEAD_REF#refs/heads/}
           BUCKET_NAME=$(echo "$BUCKET_NAME" | tr '[:upper:]' '[:lower:]') #convert to lowercase for AWS bucket (can't be uppercase)
           BUCKET_NAME=$(echo "$BUCKET_NAME" | sed -e "s/[^a-z0-9]/-/g") #replace all remaining non alphanumerics with -
-          echo $BUCKET_NAME >> $GITHUB_ENV
+          echo "BUCKET_NAME=$BUCKET_NAME" >> $GITHUB_ENV
 
       - name: Sync S3 Bucket
         uses: Bandwidth/[email protected]
@@ -93,8 +93,6 @@ jobs:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           content-path: ./site/build
-        env:
-          GITHUB_TOKEN: ${{ secrets.DX_GITHUB_TOKEN }}
 
       - name: Create Cloudfront distribution
         id: distribution