Added missing fields, and build only branches

Author: AsafMah

.github/workflows/build.yml

@@ -1,6 +1,10 @@
 name: build
 
-on: push
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    branches:
+      - '*'
 
 jobs:
   build:

.github/workflows/deploy.yml

@@ -40,4 +40,6 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: "*.gem"
+          asset_path: "*.gem"
+          asset_name: kusto-logstash.gem
+          asset_content_type: application/zip