workflows only trigger on main

Author: solomspd

.github/workflows/unittest.yaml

@@ -3,10 +3,10 @@ run-name: Testing ${{ github.actor }}'s changes
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
 jobs:
   unit-test:
     runs-on: ubuntu-latest