Moved GHA to run on all pushes and pull requests

Author: dragonmantank

.github/workflows/build.yml

@@ -1,10 +1,5 @@
 name: Build
-on:
- push:
- branches:
- - master
- pull_request:
- types: [opened, synchronize, reopened]
+on: [push, pull_request]
 jobs:
  test:
  name: Test