Stop dual running CI

Author: zph

.github/workflows/main.yml

@@ -2,7 +2,7 @@ name: Main (test, releases)
 on:
   # # Indicates I want to run this workflow on all branches, PR, and tags
   push:
-    branches: ["*"]
+    branches: ["master"]
     tags: ["*"]
   pull_request:
     branches: [ "master" ]