workflows: run on pushes/PRs to main branch

Author: gustavohenke

.github/workflows/test.yml

@@ -3,10 +3,10 @@ name: Tests
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
 
 env:
   CI: true