Update deploy-docs.yaml

Author: ktx-abhishek

.github/workflows/deploy-docs.yaml

@@ -49,7 +49,7 @@ jobs:
 
     - name: Deploy to S3
       run: |
-        aws s3 sync ./site s3://openobserve-website-prod/docs --exclude=".git/*"
+        aws s3 sync ./site s3://openobserve-website-prod/docs --exclude=".git/*" --delete
 
     - name: Invalidate CloudFront cache
       run: |