fix: change release workflow trigger

Author: zeidlitz

.github/workflows/release.yaml

@@ -1,8 +1,8 @@
 name: Release
 
 on:
-  push:
-    branches: [ "master" ]
+  release:
+    types: [ "created" ]
 
 jobs:
   build:
@@ -19,4 +19,4 @@ jobs:
         uses: softprops/action-gh-release@v2
         if: github.ref_type == 'tag'
         with:
-          files: observer
+          files: observer