Add yaml end line

Author: Lewis-E

.github/workflows/publish-serverless-init-to-ghcr.yml

@@ -126,4 +126,4 @@ jobs:
           fi
 
           echo "✅ Successfully published image to GHCR!"
-          echo "📍 View at: https://github.com/DataDog/datadog-lambda-extension/pkgs/container/datadog-lambda-extension%2Fserverless-init"
+          echo "📍 View at: https://github.com/DataDog/datadog-lambda-extension/pkgs/container/datadog-lambda-extension%2Fserverless-init"